/* Class Tools v1.0 — Exam Flow 시리즈 디자인 */

:root {
  --bg-page: #f5f7fb;
  --bg-card: #ffffff;
  --text-primary: #1c1c1e;
  --text-secondary: #6a6a72;
  --primary: #007aff;
  --primary-soft: rgba(0, 122, 255, 0.1);
  --success: #34c759;
  --warning: #ff9500;
  --danger: #ff3b30;
  --border: #e5e7eb;
  --radius: 16px;
  --radius-sm: 10px;
  --btn-height: 44px;
  --shadow: 0 8px 30px rgba(28, 28, 30, 0.08);
  --shadow-lg: 0 14px 40px rgba(28, 28, 30, 0.12);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.25, 0.64, 1);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --nav-hub-exit: 0.32s;
  --nav-panel: 0.38s;
}

* { box-sizing: border-box; }

@keyframes ctFadeSlideDown {
  from { opacity: 0; transform: translateY(-12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes ctHubCenterIn {
  from { opacity: 0; transform: translate(-50%, -50%) scale(0.82); }
  to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

@keyframes ctHubNodeIn {
  from {
    opacity: 0;
    transform: translate(-50%, -50%) translate(var(--orbit-ox, 0), var(--orbit-oy, 0)) scale(0.92);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%) translate(var(--orbit-ox, 0), var(--orbit-oy, 0)) scale(1);
  }
}

@keyframes ctHubNodeScatterIn {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) translate(var(--scatter-ox, 0), var(--scatter-oy, 0)) scale(0.35);
  }
  55% {
    opacity: 1;
  }
  100% {
    opacity: 1;
    transform: translate(-50%, -50%) translate(var(--orbit-ox, 0), var(--orbit-oy, 0)) scale(1);
  }
}

@keyframes ctHubSpokeDraw {
  from { stroke-dashoffset: var(--spoke-len, 100); opacity: 0.2; }
  to { stroke-dashoffset: 0; opacity: 0.92; }
}

@keyframes ctHubExit {
  from { opacity: 1; transform: scale(1); }
  to { opacity: 0; transform: scale(0.94); }
}

@keyframes ctPanelIn {
  from { opacity: 0; transform: translateY(18px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes ctPanelOut {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to { opacity: 0; transform: translateY(-10px) scale(0.98); }
}

@keyframes ctHubReturn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes ctHeroFadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes ctOrbFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(18px, -14px) scale(1.06); }
}

@keyframes ctOrbFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-22px, 12px) scale(1.08); }
}

@keyframes ctOrbFloat3 {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
  50% { transform: translate(-50%, -50%) scale(1.15); opacity: 0.75; }
}

@keyframes ctHubCenterFloat {
  0%, 100% { transform: translate(-50%, -50%) translateY(0); }
  50% { transform: translate(-50%, -50%) translateY(-6px); }
}

@keyframes ctChipIn {
  from { opacity: 0; transform: translateY(10px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes ctNodePulse {
  0% { transform: translate(-50%, -50%) translate(var(--orbit-ox, 0), var(--orbit-oy, 0)) scale(1); }
  45% { transform: translate(-50%, -50%) translate(var(--orbit-ox, 0), var(--orbit-oy, 0)) scale(1.12); }
  100% { transform: translate(-50%, -50%) translate(var(--orbit-ox, 0), var(--orbit-oy, 0)) scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg-page);
  color: var(--text-primary);
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.app-shell {
  display: flex;
  flex-direction: column;
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 20px 24px;
  min-height: 100vh;
  background: transparent;
}

.app-shell.is-ready {
  animation: ctFadeSlideDown 0.55s var(--ease-out) both;
}

.app-toolbar__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.app-toolbar__office {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  align-self: flex-end;
  gap: 4px;
  flex-shrink: 0;
}

.app-copyright {
  margin: 0;
  padding: 0;
  flex: 1;
  min-width: 0;
  text-align: right;
  font-size: 0.65rem;
  line-height: 1.35;
  color: var(--text-secondary);
  letter-spacing: -0.01em;
}

.visitor-counter {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  pointer-events: none;
}

.visitor-counter__badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 1px 4px rgba(28, 28, 30, 0.06);
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.visitor-counter__badge strong {
  font-weight: 800;
  color: var(--primary);
  margin-left: 4px;
}

.app-copyright a {
  color: inherit;
  text-decoration: none;
}

.app-copyright a:hover {
  color: var(--primary);
  text-decoration: underline;
}

/* Toolbar */
.app-toolbar {
  position: sticky;
  top: 0;
  z-index: 200;
  margin-bottom: 16px;
  padding-bottom: 8px;
  background: var(--bg-page);
  animation: ctFadeSlideDown 0.45s var(--ease-out) both;
}

.app-toolbar__inner {
  display: flex;
  align-items: center;
  gap: 12px;
}

.app-toolbar__logo {
  display: none;
  flex: 1;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.02em;
}

.app-toolbar.is-panel-mode .app-toolbar__logo {
  display: block;
}

.app-toolbar__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  flex-wrap: nowrap;
  margin-left: auto;
}

.panel-class-field {
  display: none;
}

.app-toolbar.is-panel-mode .panel-class-field {
  display: inline-flex;
}

/* Home landing */
.home-landing {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  will-change: opacity, transform;
}

.home-landing.is-exiting {
  animation: ctHubExit var(--nav-hub-exit) ease forwards;
  pointer-events: none;
}

.home-landing.is-returning {
  animation: ctHubReturn 0.5s var(--ease-out) both;
}

/* Hero */
.hero {
  position: relative;
  text-align: center;
  padding: 0;
  overflow: visible;
  isolation: isolate;
  background: transparent;
  border: none;
  box-shadow: none;
}

.hero-bg {
  position: absolute;
  inset: -40px -20px;
  pointer-events: none;
  z-index: 0;
  overflow: visible;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(48px);
  opacity: 0.42;
}

.hero-orb--1 {
  width: 220px;
  height: 220px;
  top: -80px;
  left: -60px;
  background: radial-gradient(circle, rgba(0, 122, 255, 0.35) 0%, transparent 70%);
  animation: ctOrbFloat1 9s ease-in-out infinite;
}

.hero-orb--2 {
  width: 280px;
  height: 280px;
  right: -100px;
  bottom: -120px;
  background: radial-gradient(circle, rgba(88, 86, 214, 0.28) 0%, transparent 70%);
  animation: ctOrbFloat2 11s ease-in-out infinite;
}

.hero-orb--3 {
  width: 160px;
  height: 160px;
  top: 50%;
  left: 50%;
  background: radial-gradient(circle, rgba(52, 199, 89, 0.2) 0%, transparent 70%);
  animation: ctOrbFloat3 7s ease-in-out infinite;
}

.hero > *:not(.hero-bg) {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  margin: 0 0 16px;
  padding: 7px 15px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(0, 122, 255, 0.14);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 2px 10px rgba(0, 122, 255, 0.06);
}

.hero-title {
  margin: 0 0 14px;
  line-height: 1.15;
}

.hero-title__main {
  display: block;
  font-size: clamp(2.2rem, 6vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #007aff 0%, #5856d6 55%, #00c7be 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-desc {
  margin: 0 auto 10px;
  max-width: 420px;
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--text-secondary);
  font-weight: 500;
}

.hero-welcome {
  margin: 0 auto 22px;
  max-width: 420px;
  font-size: 1.08rem;
  line-height: 1.5;
  color: var(--text-primary);
  font-weight: 600;
}

.hero-class-field {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}

.hero-class-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.hero-class-select {
  width: 100%;
  min-width: 200px;
  max-width: 260px;
  height: 44px;
  font-weight: 600;
  font-size: 0.9rem;
  text-align: center;
  text-align-last: center;
  border: 1px solid rgba(0, 122, 255, 0.12);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 2px 12px rgba(0, 122, 255, 0.06);
}

.hero.hero-animate-in .hero-badge {
  animation: ctHeroFadeUp 0.65s var(--ease-out) both;
}

.hero.hero-animate-in .hero-title {
  animation: ctHeroFadeUp 0.7s var(--ease-out) 0.08s both;
}

.hero.hero-animate-in .hero-desc {
  animation: ctHeroFadeUp 0.7s var(--ease-out) 0.16s both;
}

.hero.hero-animate-in .hero-welcome {
  animation: ctHeroFadeUp 0.7s var(--ease-out) 0.22s both;
}

.hero.hero-animate-in .hero-class-field {
  animation: ctHeroFadeUp 0.7s var(--ease-out) 0.3s both;
}

.header-class-field {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.header-class-select {
  width: auto;
  min-width: 140px;
  max-width: 200px;
  height: 40px;
  font-weight: 600;
  font-size: 0.85rem;
}

.btn-office {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: var(--btn-height);
  padding: 0 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  cursor: pointer;
  font-family: inherit;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  box-shadow: var(--shadow);
}

.btn-office:hover {
  border-color: var(--primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-office.is-active {
  border-color: var(--primary);
  background: var(--primary-soft);
}

.btn-office__icon {
  font-size: 1.1rem;
  line-height: 1;
}

.btn-office__label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
}

.btn-back {
  width: 40px;
  height: 40px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Card */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: var(--btn-height);
  padding: 0 18px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  white-space: nowrap;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover { background: #0066d6; }

.btn-secondary {
  background: var(--primary-soft);
  color: var(--primary);
}

.btn-secondary:hover { background: rgba(0, 122, 255, 0.16); }

.btn-danger {
  background: rgba(255, 59, 48, 0.1);
  color: var(--danger);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-block { width: 100%; }

.btn-icon-only {
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-icon-only:hover { background: var(--primary-soft); }

.btn-group { display: flex; flex-wrap: wrap; gap: 8px; }
.btn-group-vertical { display: flex; flex-direction: column; gap: 8px; }

/* Hub Dashboard */
.hub-dashboard {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  will-change: transform, opacity;
}

.hub-dashboard.hub-mindmap {
  width: 100%;
  min-height: 0;
  padding: 0;
}

.hub-dashboard.hub-animate-in .hub-satellite-card {
  opacity: 0;
  animation: ctHubNodeScatterIn 0.72s var(--ease-spring) both;
  animation-delay: var(--hub-enter-delay, 0.6s);
}

.hub-dashboard.hub-enter-done .hub-satellite-card {
  opacity: 1;
  animation: none;
}

.hub-dashboard.hub-animate-in .hub-hero--open {
  animation: ctHubCenterIn 0.65s var(--ease-spring) both;
}

.hub-dashboard.hub-animate-in .hub-spoke-path {
  opacity: 0;
  stroke-dasharray: var(--spoke-len, 120);
  stroke-dashoffset: var(--spoke-len, 120);
  animation: ctHubSpokeDraw 0.55s var(--ease-out) forwards;
  animation-delay: var(--spoke-delay, 0.4s);
}

.hub-dashboard.hub-enter-done .hub-spoke-path {
  opacity: 0.92;
  stroke-dashoffset: 0;
  animation: none;
}

.hub-satellite-card.is-pulse {
  animation: ctNodePulse 0.35s var(--ease-spring) !important;
}

.hub-canvas {
  position: relative;
  width: min(880px, 100%);
  margin: 0 auto;
  padding: 12px 16px 20px;
}

.hub-mindmap .hero-bg {
  inset: -20px -12px;
  border-radius: 32px;
}

.hub-spokes {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
  overflow: visible;
}

.hub-spoke-path {
  opacity: 0.92;
  transition: opacity 0.3s ease, stroke-width 0.3s ease, filter 0.3s ease;
}

.hub-spoke-path.is-active {
  opacity: 1;
  stroke-width: 2.2px !important;
  filter: drop-shadow(0 0 4px color-mix(in srgb, var(--flow-color, #007aff) 50%, transparent));
}

.hub-orbit__stage[data-active-node] .hub-spoke-path:not(.is-active) {
  opacity: 0.4;
}

.hub-orbit {
  position: relative;
  z-index: 2;
  width: 100%;
  display: flex;
  justify-content: center;
}

.hub-orbit__stage {
  position: relative;
  width: min(760px, 92vmin);
  aspect-ratio: 1;
  margin: 0 auto;
}

.hub-orbit__nodes {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
}

.hub-hero--open {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 5;
  width: auto;
  max-width: min(320px, 88%);
  padding: 0;
  border: none;
  background: transparent;
  box-shadow: none;
  text-align: center;
}

.hub-hero--open .hero {
  position: relative;
  width: 100%;
  padding: 12px 16px 10px;
  border-radius: 18px;
  background: #f5f7fb;
  box-shadow: none;
  isolation: isolate;
}

.hub-hero--open .hero > * {
  position: relative;
  z-index: 1;
}

.hub-satellite-card {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) translate(var(--orbit-ox, 0), var(--orbit-oy, 0));
  pointer-events: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 104px;
  min-height: 104px;
  padding: 14px 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 18px;
  background: #fff;
  font-family: inherit;
  text-align: center;
  cursor: pointer;
  box-shadow: 0 8px 28px rgba(28, 28, 30, 0.08), 0 2px 6px rgba(28, 28, 30, 0.04);
  transition:
    transform 0.35s var(--ease-spring),
    box-shadow 0.35s ease,
    border-color 0.3s ease,
    opacity 0.3s ease;
  z-index: 2;
}

.hub-orbit__stage[data-active-node] .hub-satellite-card:not(.is-active) {
  opacity: 0.78;
}

.hub-satellite-card:hover,
.hub-satellite-card.is-active {
  opacity: 1;
  transform: translate(-50%, -50%) translate(var(--orbit-ox, 0), var(--orbit-oy, 0)) scale(1.05);
  border-color: rgba(0, 122, 255, 0.18);
  box-shadow: 0 12px 36px rgba(0, 122, 255, 0.12), 0 4px 12px rgba(28, 28, 30, 0.06);
  z-index: 6;
}

.hub-satellite-card:active {
  transform: translate(-50%, -50%) translate(var(--orbit-ox, 0), var(--orbit-oy, 0)) scale(1.02);
}

.hub-satellite-card__icon {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  line-height: 1;
}

.hub-satellite-card__title {
  font-size: 0.84rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.hub-mobile {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Panels */
.panels {
  will-change: opacity, transform;
}

.panel {
  will-change: opacity, transform;
}

.panel.panel-enter {
  animation: ctPanelIn var(--nav-panel) var(--ease-out) both;
}

.panel.panel-exit {
  animation: ctPanelOut 0.28s ease forwards;
  pointer-events: none;
}

.panel-head {
  margin-bottom: 20px;
}

.panel-head h2 {
  margin: 0 0 6px;
  font-size: 1.5rem;
  font-weight: 700;
}

.panel-head p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.panel-card {
  padding: 20px;
}

.panel-card--wide { grid-column: 1 / -1; }

.panel-card h3 {
  margin: 0 0 14px;
  font-size: 1rem;
  font-weight: 700;
}

.card-desc {
  margin: -8px 0 12px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Forms */
.form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: flex-end;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  align-items: end;
}

.form-grid--compact { gap: 8px; }

.field { display: flex; flex-direction: column; gap: 4px; }
.field-grow { flex: 1; min-width: 160px; }
.field-span-2 { grid-column: span 2; }

.field-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.field-hint {
  margin: 10px 0 0;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.input {
  height: var(--btn-height);
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9rem;
  background: #fff;
  transition: border-color var(--transition);
  line-height: 1.4;
  box-sizing: border-box;
}

.input[type="number"] {
  min-width: 72px;
  padding-right: 12px;
  font-variant-numeric: tabular-nums;
}

.input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}

textarea.input {
  height: auto;
  padding-top: 10px;
  padding-bottom: 10px;
}

.input-select { cursor: pointer; }

.input-sm {
  height: 36px;
  padding: 0 10px;
  font-size: 0.85rem;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  line-height: 1.4;
  cursor: pointer;
  min-height: var(--btn-height);
  padding: 4px 2px;
}

.checkbox input[type="checkbox"] {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin: 0;
}

.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 16px 0;
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.data-table th,
.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.data-table th {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.78rem;
  background: var(--bg-page);
}

.student-table-wrap {
  max-height: 400px;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-top: 12px;
}

.student-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

/* Class list */
.class-list-heading {
  margin: 20px 0 4px;
  font-size: 0.9rem;
  font-weight: 700;
}

.class-list-hint {
  margin: 0 0 10px;
}

.class-list { display: flex; flex-direction: column; gap: 8px; }

.class-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.class-item:hover { border-color: var(--primary); }

.class-item.is-active {
  border-color: var(--primary);
  background: var(--primary-soft);
  box-shadow: 0 0 0 1px rgba(0, 122, 255, 0.2);
}

.class-item__radio {
  width: 20px;
  color: var(--primary);
  font-size: 0.85rem;
  flex-shrink: 0;
}

.class-item__info { flex: 1; min-width: 0; }
.class-item__name { font-weight: 600; font-size: 0.9rem; }
.class-item__meta { font-size: 0.78rem; color: var(--text-secondary); }

.class-item__badge {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--primary);
  background: #fff;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(0, 122, 255, 0.25);
  flex-shrink: 0;
}

/* Seat workspace */
.seat-workspace {
  display: grid;
  grid-template-columns: minmax(300px, 320px) 1fr;
  gap: 16px;
  align-items: start;
}

.seat-sidebar-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: sticky;
  top: 96px;
  z-index: 1;
}

.seat-sidebar {
  padding: 20px;
}

.seat-sidebar h3 {
  margin: 0 0 14px;
  font-size: 0.9rem;
  font-weight: 700;
}

.seat-sidebar .form-grid {
  margin-bottom: 14px;
}

.seat-sidebar .field {
  gap: 6px;
  margin-bottom: 14px;
}

.seat-sidebar .field--notice {
  margin-bottom: 10px;
}

.seat-sidebar .field-hint {
  margin: 4px 0 0;
  line-height: 1.5;
}

.seat-sidebar .checkbox-group {
  gap: 8px;
  margin-bottom: 14px;
}

.seat-sidebar .checkbox-group .field-label {
  margin-bottom: 2px;
}

.seat-sidebar > .btn {
  margin-top: 14px;
}

.seat-sidebar > .btn:first-of-type {
  margin-top: 0;
}

.seat-sidebar > .btn + .btn {
  margin-top: 10px;
}

.seat-sidebar .divider {
  margin: 22px 0;
}

.seat-sidebar .btn-group-vertical {
  gap: 10px;
}

.seat-sidebar .input--notice {
  min-height: 84px;
  height: auto;
  padding: 10px 14px;
  resize: vertical;
  line-height: 1.55;
  width: 100%;
}

.seat-sidebar__desc {
  margin: -6px 0 14px;
  font-size: 0.8rem;
  line-height: 1.5;
}

.seat-sidebar__subhead {
  margin: 0 0 12px;
  font-size: 0.85rem;
  font-weight: 700;
}

.seat-sidebar .divider--compact {
  margin: 18px 0 16px;
}

.seat-assign-nav {
  display: flex;
  gap: 0;
  margin-top: 18px;
  padding: 4px;
  background: var(--bg-secondary, #f0f2f7);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.seat-assign-nav__btn {
  flex: 1;
  min-height: 36px;
  padding: 8px 10px;
  border: none;
  border-radius: calc(var(--radius-sm) - 2px);
  background: transparent;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}

.seat-assign-nav__btn:hover {
  color: var(--text-primary, #1c1c1e);
}

.seat-assign-nav__btn.is-active {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.seat-assign-panel {
  margin-top: 14px;
}

.seat-assign-panel .checkbox-group {
  margin-bottom: 12px;
}

.seat-assign-panel > .btn {
  margin-top: 12px;
}

.seat-assign-panel > .btn:first-child {
  margin-top: 0;
}

.seat-assign-panel > .btn + .btn {
  margin-top: 10px;
}

.seat-sidebar--print {
  border-color: rgba(0, 122, 255, 0.18);
  box-shadow: 0 2px 12px rgba(0, 122, 255, 0.06);
}

.seat-main {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.seat-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.seat-layout-hint {
  max-width: 960px;
  width: 100%;
  margin: 0;
  padding: 0 20px;
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--text-secondary);
  text-align: center;
}

.seat-context-bar {
  width: 100%;
  padding: 10px 14px;
  background: var(--primary-soft);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
}

.seat-context-bar__inner {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.seat-context-bar__class {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
}

.seat-context-bar__label {
  flex-shrink: 0;
  font-size: 0.8rem;
}

.seat-context-bar__select {
  flex: 1;
  min-width: 0;
  max-width: 280px;
  text-align: left;
  font-weight: 600;
}

.seat-context-bar__enlarge {
  margin-left: auto;
  flex-shrink: 0;
  white-space: nowrap;
  padding: 10px 18px;
  font-weight: 700;
}

.teacher-desk {
  padding: 10px 40px;
  background: linear-gradient(135deg, var(--primary) 0%, #0056b3 100%);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

.seat-grid {
  display: grid;
  gap: 10px;
  width: 100%;
  max-width: 960px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.seat-cell {
  min-height: 92px;
  border: 2px dashed var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 8px;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
  position: relative;
}

.seat-cell:hover:not(.seat-cell--aisle):not(.seat-cell--empty) {
  border-color: rgba(0, 122, 255, 0.4);
}

.seat-cell--aisle {
  border: none;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 4px,
    rgba(0, 122, 255, 0.06) 4px,
    rgba(0, 122, 255, 0.06) 8px
  );
  cursor: default;
  min-height: 40px;
}

.seat-cell--empty {
  background: #f9fafb;
  border-style: dotted;
  opacity: 0.6;
}

.seat-cell--violation {
  border-color: var(--danger) !important;
  background: rgba(255, 59, 48, 0.08) !important;
}

.seat-cell__actions {
  position: absolute;
  top: 2px;
  right: 2px;
  display: none;
  gap: 2px;
}

.seat-cell:hover .seat-cell__actions { display: flex; }

.seat-action {
  width: 20px;
  height: 20px;
  border: none;
  border-radius: 4px;
  background: rgba(0,0,0,0.06);
  font-size: 0.65rem;
  cursor: pointer;
  padding: 0;
}

.seat-pool {
  width: 100%;
}

.seat-card {
  width: 100%;
  text-align: center;
  cursor: grab;
  user-select: none;
}

.seat-card:active {
  cursor: grabbing;
}

.seat-card__num {
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.seat-card__name {
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.25;
}

.seat-role {
  display: inline-block;
  font-size: 0.62rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 999px;
  margin-bottom: 2px;
  line-height: 1.2;
}

.seat-role--president {
  background: #ff9500;
  color: #fff;
}

.seat-role--vice {
  background: #5856d6;
  color: #fff;
}

.seat-action--role {
  font-size: 0.62rem;
  font-weight: 700;
  min-width: 20px;
}

.seat-action--role.is-active {
  background: var(--primary);
  color: #fff;
}

.front-row-request-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 50vh;
  overflow-y: auto;
  margin: 12px 0 4px;
  padding: 4px 0;
}

.front-row-request-item {
  min-height: 40px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.front-row-request-item:hover {
  background: var(--primary-soft);
}

.separation-modal-note {
  margin: 0 0 14px;
  padding: 10px 12px;
  background: var(--bg-page);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.modal .separation-rule {
  margin-bottom: 12px;
}

.modal .violation-results {
  margin-top: 14px;
}

.seat-card--ghost {
  opacity: 0.4;
}

.seat-card--moved {
  border-radius: var(--radius-sm);
  animation: seat-card-moved-fade 2s ease-out forwards;
}

.seat-card--reveal {
  animation: seat-card-reveal 0.45s cubic-bezier(0.22, 1.2, 0.36, 1) both;
}

@keyframes seat-card-reveal {
  0% {
    opacity: 0;
    transform: scale(0.55) translateY(10px);
    box-shadow: 0 0 0 0 rgba(124, 58, 237, 0.45);
  }
  55% {
    opacity: 1;
    transform: scale(1.08) translateY(0);
    box-shadow: 0 0 0 6px rgba(124, 58, 237, 0.2);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
    box-shadow: none;
  }
}

.unassigned-chip.seat-card--moved {
  animation-name: seat-chip-moved-fade;
}

@keyframes seat-card-moved-fade {
  0% {
    background-color: rgba(255, 235, 59, 0.65);
  }
  100% {
    background-color: transparent;
  }
}

@keyframes seat-chip-moved-fade {
  0% {
    box-shadow: 0 0 0 3px rgba(255, 235, 59, 0.8);
  }
  100% {
    box-shadow: none;
  }
}

.unassigned-pool {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  min-height: 40px;
}

.unassigned-pool__empty {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.unassigned-chip {
  padding: 8px 14px;
  background: var(--warning);
  color: #fff;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.3;
  cursor: grab;
  width: auto;
}

.separation-rule {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  font-size: 0.82rem;
}

.separation-rule select { width: 100%; }

.violation-results {
  margin-top: 10px;
  font-size: 0.82rem;
}

.violation-item {
  padding: 8px;
  background: rgba(255, 59, 48, 0.08);
  border-radius: var(--radius-sm);
  color: var(--danger);
  margin-bottom: 6px;
}

.violation-ok {
  padding: 8px;
  background: rgba(52, 199, 89, 0.1);
  border-radius: var(--radius-sm);
  color: var(--success);
}

/* Groups */
.group-workspace { display: flex; flex-direction: column; gap: 16px; }

.group-controls { padding: 18px; }

.groups-result {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

.group-card {
  padding: 16px;
}

.group-card h4 {
  margin: 0 0 10px;
  color: var(--primary);
  font-size: 0.95rem;
}

.group-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.group-card li {
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}

.group-card li:last-child { border-bottom: none; }

/* Random Games */
.games-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.game-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 148px;
  padding: 28px 20px;
  cursor: pointer;
  border: 1px solid rgba(0, 122, 255, 0.1);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.game-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 122, 255, 0.25);
}

.game-card__icon { font-size: 2.6rem; margin-bottom: 10px; line-height: 1; }

.game-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  line-height: 1.3;
}

.game-card__desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.game-view-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.btn-back-inline {
  flex-shrink: 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  padding: 8px 12px;
}

.game-view-title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
}

.game-common-options {
  padding: 16px 20px;
  margin-bottom: 14px;
}

.game-screen { margin-top: 4px; }

.game-stage {
  padding: 24px;
  text-align: center;
}

.game-actions {
  justify-content: center;
  margin: 16px 0;
}

.game-result {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  min-height: 80px;
  align-items: center;
}

.game-result__placeholder {
  width: 100%;
  text-align: center;
  color: var(--text-secondary);
  margin: 0;
}

.game-winner {
  padding: 16px 28px;
  background: linear-gradient(135deg, var(--primary) 0%, #5856d6 100%);
  color: #fff;
  border-radius: var(--radius);
  font-size: 1.5rem;
  font-weight: 700;
  animation: popIn 0.4s cubic-bezier(0.34, 1.56,  0.64, 1);
  box-shadow: var(--shadow-lg);
}

.fullscreen-game {
  text-align: center;
}

.fullscreen-game__title {
  margin: 0 0 24px;
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
}

.fullscreen-game__winners {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

.fullscreen-game .random-winner {
  font-size: clamp(2rem, 8vw, 3.5rem);
}

/* Pinball */
.pinball-pool-panel,
.pinball-settings {
  margin-bottom: 14px;
  padding: 20px;
}

.pinball-pool-panel h3 {
  margin: 0 0 14px;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.35;
}

.pinball-win-form {
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 14px;
}

.pinball-win-form .field {
  min-width: 100px;
}

.pinball-board-card {
  padding: 0;
  overflow: hidden;
}

.pinball-board-wrap {
  padding: 12px 12px 0;
  background: linear-gradient(180deg, #eef2f8 0%, #e4eaf3 100%);
}

.pinball-board-wrap.is-shaking {
  animation: ctPinballBoardShake 0.45s var(--ease-out);
}

@keyframes ctPinballBoardShake {
  0%, 100% { transform: translate(0, 0); }
  12% { transform: translate(-5px, 3px); }
  24% { transform: translate(5px, -4px); }
  36% { transform: translate(-4px, -3px); }
  48% { transform: translate(4px, 4px); }
  60% { transform: translate(-3px, 2px); }
  72% { transform: translate(3px, -2px); }
  84% { transform: translate(-2px, 1px); }
}

.pinball-fs-actions {
  display: flex;
  justify-content: center;
  margin-top: 12px;
}

.pinball-board-wrap--fs {
  padding: 0;
  background: transparent;
}

.pinball-canvas {
  display: block;
  width: 100%;
  border-radius: var(--radius-sm);
  box-shadow: inset 0 2px 12px rgba(0, 0, 0, 0.25), var(--shadow);
}

.pinball-status {
  margin: 14px 16px 0;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.pinball-actions {
  margin: 14px 16px 0;
  padding-bottom: 4px;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

.pinball-leaderboard {
  margin: 0;
  padding: 16px;
  min-height: 48px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid var(--border);
  background: var(--bg-page);
}

.pinball-leaderboard__empty {
  margin: 0;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.pinball-rank-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg-page);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.pinball-rank-row__order {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.pinball-rank-row__ball {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--ball-color, var(--primary));
  box-shadow: inset 0 -2px 4px rgba(0, 0, 0, 0.2);
  flex-shrink: 0;
}

.pinball-rank-row__name {
  flex: 1;
  min-width: 0;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fullscreen-pinball {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 900px;
  padding: 16px;
}

.pinball-fs-wrap {
  width: 100%;
}

.fullscreen-pinball .pinball-board-wrap {
  overflow: hidden;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.45);
}

.fullscreen-pinball .pinball-canvas {
  max-height: min(88vh, 900px);
  margin: 0 auto;
}

.pinball-status--fs {
  color: rgba(255, 255, 255, 0.75);
  margin-top: 12px;
}

.pinball-fs-leaderboard {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 14px;
  min-height: 32px;
}

.pinball-fs-chip {
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--ball-color, var(--primary));
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

/* Ladder */
.ladder-settings {
  padding: 0;
  margin-bottom: 14px;
  overflow: hidden;
}

.ladder-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: var(--bg-page);
}

.ladder-tab {
  flex: 1;
  padding: 14px 16px;
  border: none;
  background: transparent;
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--transition), border-color var(--transition);
}

.ladder-tab.is-active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  background: var(--bg-card);
}

.ladder-tab-panel {
  padding: 18px 20px 20px;
}

.ladder-tab-desc {
  margin: 0 0 12px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.ladder-win-form {
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 10px 14px;
}

.ladder-win-form .field--grow {
  flex: 1 1 160px;
  min-width: 140px;
}

.ladder-pool-item__badge {
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: var(--badge-color, var(--primary));
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  line-height: 1;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
}

.ladder-pool-item__badge--empty {
  background: var(--border);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
}

.ladder-pool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(172px, 1fr));
  gap: 10px;
  max-height: 240px;
  overflow-y: auto;
  margin: 12px 0;
  padding: 6px 4px;
}

.ladder-pool-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  line-height: 1.35;
  padding: 10px 12px;
  min-height: 42px;
  border-radius: var(--radius-sm);
  background: var(--bg-page);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}

.ladder-pool-item:hover {
  border-color: rgba(0, 122, 255, 0.25);
  background: var(--primary-soft);
}

.ladder-pool-item input[type="checkbox"] {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin: 0;
}

.ladder-pool-item > span {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ladder-pool-summary {
  margin: 0;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.ladder-board-wrap { padding: 20px; }

.ladder-board {
  margin: 16px 0;
  overflow-x: auto;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ladder-placeholder {
  color: var(--text-secondary);
  text-align: center;
  margin: 0;
}

.ladder-svg { max-width: 100%; height: auto; }

.ladder-rail {
  stroke: #c7d2fe;
  stroke-width: 2.5;
  stroke-linecap: round;
}

.ladder-rung {
  stroke: var(--primary);
  stroke-width: 2.5;
  stroke-linecap: round;
  opacity: 0.75;
}

.ladder-path {
  stroke: #ff9500;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.9;
}

.ladder-label {
  font-family: "Pretendard", sans-serif;
  font-size: 11px;
  font-weight: 600;
  fill: var(--text-secondary);
}

.ladder-label--win {
  fill: var(--primary);
  font-weight: 800;
  font-size: 12px;
}

.ladder-piece {
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.18));
}

.ladder-piece__char {
  fill: #fff;
  font-size: 13px;
  font-weight: 700;
  font-family: Pretendard, -apple-system, sans-serif;
  pointer-events: none;
}

.ladder-piece--winner {
  filter: drop-shadow(0 0 10px rgba(255, 149, 0, 0.55));
}

.ladder-piece--winner .ladder-piece__char {
  font-size: 15px;
  font-weight: 800;
}

.ladder-modal-intro {
  margin: 0 0 16px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  text-align: center;
}

.ladder-winner-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ladder-winner-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: linear-gradient(135deg, rgba(0, 122, 255, 0.08) 0%, rgba(88, 86, 214, 0.08) 100%);
  border: 1px solid rgba(0, 122, 255, 0.15);
  border-radius: var(--radius-sm);
}

.ladder-winner-row__rank {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.ladder-winner-row__badge {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--badge-color, var(--primary));
  color: #fff;
  font-size: 0.95rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.ladder-winner-row__name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* Slot */
.game-stage--slot {
  position: relative;
  overflow: hidden;
}

.slot-machine {
  position: relative;
  max-width: min(100%, 720px);
  margin: 0 auto;
  background: linear-gradient(180deg, #1c1c1e 0%, #2c2c2e 100%);
  border-radius: 20px;
  padding: 24px 20px 20px;
  box-shadow: var(--shadow-lg);
}

.slot-reels {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.slot-reel {
  flex: 1 1 56px;
  max-width: 88px;
  min-width: 52px;
}

.slot-reel-viewport {
  height: 96px;
  overflow: hidden;
  border-radius: 14px;
  background: #fff;
  border: 4px solid var(--primary);
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.08);
}

.slot-strip { will-change: transform; }

.slot-item {
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--text-primary);
  line-height: 1;
}

.slot-confetti {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 4;
  border-radius: inherit;
}

.slot-winner-reveal {
  margin-top: 20px;
  padding: 16px 12px 8px;
  text-align: center;
  opacity: 0;
  transform: translateY(8px) scale(0.96);
  transition: opacity 0.45s ease, transform 0.55s cubic-bezier(0.34, 1.4, 0.64, 1);
}

.slot-winner-reveal.is-show {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.slot-winner-reveal__burst {
  margin: 0 0 6px;
  font-size: 2rem;
  line-height: 1;
  animation: slotBurstPop 0.55s cubic-bezier(0.34, 1.5, 0.64, 1);
}

.slot-winner-reveal__label {
  margin: 0 0 8px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #ffd60a;
  text-transform: uppercase;
}

.slot-winner-reveal__number {
  margin: 0 0 6px;
  font-size: 1.35rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: rgba(255, 255, 255, 0.75);
}

.slot-winner-reveal__name {
  margin: 0;
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 800;
  color: #fff;
  text-shadow: 0 2px 12px rgba(0, 122, 255, 0.45);
  animation: slotNamePop 0.65s cubic-bezier(0.34, 1.5, 0.64, 1) 0.15s both;
}

@keyframes slotBurstPop {
  0% { transform: scale(0.2); opacity: 0; }
  70% { transform: scale(1.15); }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes slotNamePop {
  0% { transform: scale(0.55); opacity: 0; }
  65% { transform: scale(1.06); }
  100% { transform: scale(1); opacity: 1; }
}

/* Card pick — fan spread (card size = 6-column grid) */
.card-fan {
  --card-fan-cols: 6;
  --card-fan-gap: 10px;
  --card-fan-max: 660px;
  --card-w: 100px;
  --card-h: 133px;
  position: relative;
  width: 100%;
  max-width: var(--card-fan-max);
  min-height: 200px;
  margin: 0 auto 16px;
  padding: 12px 8px 8px;
  overflow: visible;
}

.card-fan__empty {
  text-align: center;
  padding: 24px;
}

.card-fan__table {
  position: relative;
  width: 100%;
  height: calc(var(--card-h) + 56px);
  min-height: 190px;
  margin: 0 auto;
  overflow: visible;
}

.card-fan__table.is-locked {
  pointer-events: none;
}

.card-pick {
  position: absolute;
  left: 50%;
  bottom: 0;
  width: var(--card-w, 100px);
  height: var(--card-h, 133px);
  margin-left: calc(var(--card-w, 100px) / -2);
  padding: 0;
  cursor: pointer;
  border: none;
  border-radius: 10px;
  background: transparent;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.22);
  overflow: hidden;
  transform-origin: bottom center;
  transform: translateX(var(--fan-x, 0px)) rotate(var(--fan-r, 0deg)) translateY(calc(-1 * var(--fan-y, 0px)));
  transition: transform 0.35s ease, box-shadow 0.3s ease, opacity 0.35s ease, filter 0.35s ease, z-index 0s;
  z-index: var(--fan-z, 0);
  pointer-events: auto;
  touch-action: manipulation;
}

.card-pick:hover:not(:disabled) {
  transform: translateX(var(--fan-x, 0px)) rotate(var(--fan-r, 0deg)) translateY(calc(-1 * var(--fan-y, 0px) - 14px)) scale(1.05);
  box-shadow: 0 8px 22px rgba(42, 21, 72, 0.35);
  z-index: 400;
}

.card-pick:disabled {
  cursor: default;
  opacity: 0.45;
}

/* Card back — jester / harlequin pattern */
.card-back-face {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  overflow: hidden;
  pointer-events: none;
  background-color: #1e1240;
  background-image:
    radial-gradient(circle at 50% 42%, rgba(212, 168, 75, 0.22) 0%, transparent 58%),
    repeating-conic-gradient(from 45deg at 50% 50%, #2d1b5e 0deg 90deg, #241848 90deg 180deg);
  border: 2px solid #c9a227;
  box-shadow:
    inset 0 0 0 2px #1e1240,
    inset 0 0 0 4px rgba(201, 162, 39, 0.55);
}

.card-back-face__ornament {
  position: absolute;
  width: 10px;
  height: 10px;
  border: 1.5px solid rgba(232, 185, 35, 0.75);
  transform: rotate(45deg);
  opacity: 0.85;
}

.card-back-face__ornament--tl { top: 6px; left: 6px; }
.card-back-face__ornament--tr { top: 6px; right: 6px; }
.card-back-face__ornament--bl { bottom: 6px; left: 6px; }
.card-back-face__ornament--br { bottom: 6px; right: 6px; }

.card-back-face__jester {
  width: 52%;
  height: auto;
  filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.35));
}

.card-pick__face {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  width: 100%;
  height: 100%;
  padding: 4px 3px;
  pointer-events: none;
}

.card-pick__num {
  font-size: 0.72rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

.card-pick__name {
  font-size: 0.78rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.25;
  text-align: center;
  word-break: keep-all;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
}

.card-fan.is-shuffling .card-pick {
  animation: cardShuffleJitter 0.85s ease-in-out;
  animation-delay: calc(var(--fan-z, 0) * 0.012s);
}

@keyframes cardShuffleJitter {
  0%, 100% {
    transform: translateX(var(--fan-x, 0px)) rotate(var(--fan-r, 0deg)) translateY(calc(-1 * var(--fan-y, 0px)));
  }
  20% {
    transform: translateX(calc(var(--fan-x, 0px) - 28px)) rotate(calc(var(--fan-r, 0deg) + 14deg)) translateY(-48px);
  }
  45% {
    transform: translateX(calc(var(--fan-x, 0px) + 32px)) rotate(calc(var(--fan-r, 0deg) - 10deg)) translateY(-28px);
  }
  70% {
    transform: translateX(calc(var(--fan-x, 0px) - 18px)) rotate(calc(var(--fan-r, 0deg) + 8deg)) translateY(-42px);
  }
}

/* Picked cards — lower zone */
.card-picked {
  --card-w: 100px;
  --card-h: 133px;
  width: 100%;
  max-width: var(--card-fan-max, 660px);
  min-height: calc(var(--card-h) + 48px);
  margin: 0 auto 12px;
  padding: 8px 8px 16px;
  border-top: 1px dashed var(--border);
}

.card-picked__hint {
  margin: 20px 0 8px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.card-picked__row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  align-items: flex-end;
  min-height: calc(var(--card-h) + 16px);
  padding-top: 8px;
}

.card-picked-slot {
  width: var(--card-w, 100px);
  height: var(--card-h, 133px);
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  perspective: 900px;
  touch-action: manipulation;
}

.card-picked-slot.is-flipped {
  cursor: default;
}

.card-picked-slot__inner {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
}

.card-picked-slot.is-flipped .card-picked-slot__inner {
  transform: rotateY(180deg);
}

.card-picked-slot__back,
.card-picked-slot__face {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  pointer-events: none;
}

.card-picked-slot__back {
  padding: 0;
  overflow: hidden;
}

.card-picked-slot__back .card-back-face {
  position: absolute;
  inset: 0;
}

.card-picked-slot__face {
  transform: rotateY(180deg);
  background: linear-gradient(145deg, #34c759 0%, #248a3d 100%);
  gap: 2px;
  padding: 4px 3px;
}

.card-picked-slot.is-entering {
  animation: cardDropIn 0.45s cubic-bezier(0.34, 1.25, 0.64, 1);
}

@keyframes cardDropIn {
  from {
    opacity: 0;
    transform: translateY(-36px) scale(0.88);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.card-picked-slot:not(.is-flipped):hover .card-picked-slot__inner {
  transform: translateY(-6px);
  box-shadow: 0 8px 20px rgba(42, 21, 72, 0.32);
}

/* Treasure */
.game-stage--treasure { padding: 28px 20px 36px; }

.treasure-event {
  position: relative;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  border-radius: var(--radius);
  background: radial-gradient(ellipse at center, rgba(255, 204, 0, 0.12) 0%, transparent 65%);
}

.treasure-confetti {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 3;
}

.confetti-piece {
  position: absolute;
  top: -12px;
  width: 10px;
  height: 14px;
  border-radius: 2px;
  opacity: 0.95;
  animation: confettiFall 2.4s ease-in forwards;
}

@keyframes confettiFall {
  0% { transform: translateY(0) translateX(0) rotate(0deg); opacity: 1; }
  100% { transform: translateY(320px) translateX(var(--cf-drift, 0)) rotate(var(--cf-rot, 360deg)); opacity: 0; }
}

.treasure-box {
  width: min(280px, 72vw);
  height: 220px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #a86f35 0%, #6b4520 45%, #4a2f14 100%);
  border-radius: 20px 20px 14px 14px;
  box-shadow:
    0 20px 50px rgba(92, 61, 30, 0.45),
    inset 0 2px 0 rgba(255, 255, 255, 0.15);
  position: relative;
  z-index: 1;
  transition: transform 0.4s var(--ease-spring);
}

.treasure-box__lid {
  position: absolute;
  top: -18px;
  left: 8%;
  width: 84%;
  height: 36px;
  background: linear-gradient(180deg, #c9924a 0%, #8b5a2b 100%);
  border-radius: 12px 12px 4px 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: transform 0.5s var(--ease-spring);
  transform-origin: left bottom;
}

.treasure-box__icon { font-size: 4.5rem; filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2)); }

.treasure-box__label {
  font-size: 1rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
  margin-top: 8px;
  letter-spacing: 0.04em;
}

.treasure-box.is-shaking {
  animation: treasureShake 0.55s ease-in-out;
}

.treasure-box.is-open .treasure-box__lid {
  transform: rotate(-38deg) translateY(-8px);
}

.treasure-box.is-open {
  transform: scale(1.04);
}

.treasure-box.is-reveal {
  animation: treasurePop 0.55s var(--ease-spring);
}

.treasure-box__glow {
  position: absolute;
  inset: -30px;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.55) 0%, transparent 68%);
  pointer-events: none;
}

.treasure-box__burst {
  font-size: 2.5rem;
  animation: treasureBurst 0.6s ease-out;
}

.treasure-box__prize-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.75);
  margin-top: 4px;
}

.treasure-box__prize-text {
  font-size: clamp(1.4rem, 5vw, 2rem);
  font-weight: 800;
  color: #fff;
  text-align: center;
  padding: 0 16px;
  line-height: 1.3;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}

.treasure-prize-card {
  padding: 20px 36px;
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, #ff9500 0%, #ff6b00 100%);
  border-radius: var(--radius);
  box-shadow: 0 12px 32px rgba(255, 149, 0, 0.35);
  animation: popIn 0.5s var(--ease-spring);
}

.treasure-prize-card--fs {
  font-size: clamp(2rem, 8vw, 3.5rem);
  padding: 28px 48px;
}

.treasure-result { min-height: 100px; }

@keyframes treasureShake {
  0%, 100% { transform: rotate(0) scale(1); }
  15% { transform: rotate(-5deg) scale(1.02); }
  30% { transform: rotate(5deg) scale(1.02); }
  45% { transform: rotate(-4deg) scale(1.03); }
  60% { transform: rotate(4deg) scale(1.03); }
  75% { transform: rotate(-2deg); }
}

@keyframes treasurePop {
  0% { transform: scale(0.92); }
  60% { transform: scale(1.08); }
  100% { transform: scale(1.04); }
}

@keyframes treasureBurst {
  from { transform: scale(0); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.btn-lg {
  min-height: 48px;
  padding: 0 24px;
  font-size: 1.05rem;
}

/* Office treasure rewards */
.treasure-reward-list {
  list-style: none;
  margin: 16px 0 12px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 240px;
  overflow-y: auto;
}

.treasure-reward-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.treasure-reward-item__text {
  font-weight: 600;
  font-size: 0.95rem;
}

.btn-sm-inline { margin-top: 4px; }

.roulette-settings {
  padding: 0;
  margin-bottom: 14px;
  overflow: hidden;
}

.roulette-settings .ladder-pool-grid {
  max-height: none;
  overflow: visible;
  margin-bottom: 8px;
}

.roulette-custom-list {
  list-style: none;
  margin: 12px 0 8px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.roulette-custom-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.roulette-custom-item__text {
  font-weight: 600;
  font-size: 0.95rem;
  word-break: keep-all;
}

/* Dice */
.game-stage--dice { padding: 36px 24px 40px; }

.dice-rule {
  margin: 0 0 16px;
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 500;
}

.dice-settings {
  justify-content: center;
  margin-bottom: 20px;
}

.dice-settings .field {
  min-width: 160px;
}

.dice-stage {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  justify-content: center;
  margin-bottom: 20px;
  perspective: 600px;
  max-width: 640px;
  margin-inline: auto;
}

.dice-stage--many .dice-roller {
  width: 72px;
  height: 72px;
}

.dice-stage--many .dice-roller__face {
  font-size: 2.6rem;
}

.dice-stage--single .dice-plus {
  display: none;
}

.dice-plus {
  font-size: 2rem;
  font-weight: 300;
  color: var(--text-secondary);
}

.dice-roller {
  width: 88px;
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #ffffff 0%, #f0f4ff 100%);
  border: 2px solid rgba(0, 122, 255, 0.2);
  border-radius: 18px;
  box-shadow: 0 10px 28px rgba(0, 122, 255, 0.15), inset 0 -4px 0 rgba(0, 0, 0, 0.06);
  transition: transform 0.2s ease;
}

.dice-roller__face {
  font-size: 3.2rem;
  line-height: 1;
}

.dice-roller.is-rolling {
  animation: diceTumble 0.18s ease infinite;
}

.dice-roller.is-landed {
  animation: diceLand 0.45s var(--ease-spring);
}

.dice-total {
  text-align: center;
  margin-bottom: 20px;
}

.dice-total__label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.dice-total__value {
  display: block;
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.dice-total.is-pop .dice-total__value {
  animation: popIn 0.5s var(--ease-spring);
}

.dice-fs-roll { font-size: 3rem; margin: 0 0 12px; }

.dice-fs-sum {
  font-size: clamp(4rem, 15vw, 7rem);
  font-weight: 800;
  margin: 0;
  line-height: 1;
  color: #fff;
}

@keyframes diceTumble {
  0% { transform: rotate(0deg) translateY(0); }
  25% { transform: rotate(90deg) translateY(-8px); }
  50% { transform: rotate(180deg) translateY(0); }
  75% { transform: rotate(270deg) translateY(-6px); }
  100% { transform: rotate(360deg) translateY(0); }
}

@keyframes diceLand {
  0% { transform: scale(1.2) rotate(-8deg); }
  55% { transform: scale(0.95) rotate(3deg); }
  100% { transform: scale(1) rotate(0); }
}

/* Random legacy */
.random-tab-panel {
  padding: 24px;
}

.random-result {
  margin-top: 24px;
  min-height: 200px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: center;
}

.random-placeholder {
  color: var(--text-secondary);
  font-size: 1rem;
  width: 100%;
  text-align: center;
}

.random-winner {
  padding: 24px 36px;
  background: linear-gradient(135deg, var(--primary) 0%, #5856d6 100%);
  color: #fff;
  border-radius: var(--radius);
  font-size: 2rem;
  font-weight: 700;
  animation: popIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: var(--shadow-lg);
}

@keyframes popIn {
  from { transform: scale(0.5); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* Roulette */
.roulette-board-card {
  padding: 28px 24px 32px;
  overflow: visible;
  background: linear-gradient(165deg, #fffbfd 0%, #ffffff 42%, #f7faff 100%);
  border-color: rgba(248, 190, 210, 0.28);
}

.roulette-workspace {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  overflow: visible;
}

.roulette-stage {
  position: relative;
  width: min(100%, 520px);
  margin: 0 auto;
  padding: 40px 16px 12px;
  overflow: visible;
  flex-shrink: 0;
}

.roulette-stage::before {
  content: '';
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: 54px;
  height: 22px;
  border-radius: 10px 10px 6px 6px;
  background: linear-gradient(180deg, #fff 0%, #fce8f0 100%);
  border: 2px solid rgba(255, 180, 200, 0.45);
  box-shadow: 0 3px 10px rgba(200, 160, 180, 0.18);
  z-index: 2;
}

.roulette-wheel-wrap {
  width: 100%;
  aspect-ratio: 1;
  height: auto;
  border-radius: 50%;
  box-shadow:
    0 0 0 5px #fff,
    0 0 0 9px rgba(255, 200, 215, 0.45),
    0 0 0 13px rgba(200, 220, 255, 0.28),
    0 22px 48px rgba(170, 155, 195, 0.22),
    inset 0 0 30px rgba(255, 255, 255, 0.55);
  overflow: hidden;
  background: radial-gradient(circle at 50% 45%, #fff 0%, #f8f4fa 100%);
}

.roulette-wheel {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  transform: rotate(0deg);
  transition: transform 0.1s linear;
}

.roulette-wheel.is-spinning {
  transition: transform 4.8s cubic-bezier(0.12, 0.8, 0.2, 1);
}

.roulette-wheel svg {
  display: block;
  width: 100%;
  height: 100%;
}

.roulette-wheel text,
.roulette-wheel__label {
  font-family: "Pretendard", -apple-system, sans-serif;
  font-weight: 700;
  fill: #5a5068;
  pointer-events: none;
  paint-order: stroke fill;
  stroke: rgba(255, 255, 255, 0.65);
  stroke-width: 2.5px;
}

.roulette-pointer {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 14px solid transparent;
  border-right: 14px solid transparent;
  border-top: 30px solid #ff9eb8;
  filter: drop-shadow(0 3px 6px rgba(200, 120, 150, 0.3));
  z-index: 4;
}

.roulette-pointer::after {
  content: '';
  position: absolute;
  top: -28px;
  left: -6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fff 0%, #ffb8cc 100%);
  box-shadow: 0 1px 3px rgba(180, 100, 130, 0.25);
}

.roulette-hub-cap {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 54px;
  height: 54px;
  margin: -27px 0 0 -27px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fff 0%, #fce8f2 55%, #f5d0e4 100%);
  border: 3px solid #fff;
  box-shadow:
    0 0 0 2px rgba(255, 170, 195, 0.55),
    0 6px 18px rgba(170, 150, 185, 0.22),
    inset 0 2px 8px rgba(255, 255, 255, 0.9);
  z-index: 2;
}

.roulette-hub-cap::after {
  content: '✦';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #f08aaa;
  line-height: 1;
}

.roulette-side {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: min(100%, 520px);
  flex-shrink: 0;
}

.roulette-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px 12px;
}

.roulette-controls .checkbox {
  flex: 1 1 100%;
  justify-content: center;
}

.roulette-winner {
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px 24px;
  background: linear-gradient(145deg, #fff9fc 0%, #f6f9ff 100%);
  border-radius: var(--radius);
  border: 1px solid rgba(248, 190, 210, 0.32);
  box-shadow: 0 6px 22px rgba(190, 170, 210, 0.1);
  text-align: center;
}

.roulette-winner__placeholder {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.roulette-winner__card {
  animation: popIn 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
  padding: 8px 12px;
}

.roulette-winner__label {
  margin: 0 0 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #b08898;
  letter-spacing: 0.04em;
}

.roulette-winner__name {
  margin: 0;
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, #e87898 0%, #c88ad8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.2;
}

.roulette-history {
  padding: 14px 16px;
  background: rgba(255, 250, 252, 0.85);
  border: 1px solid rgba(248, 190, 210, 0.22);
  border-radius: var(--radius-sm);
}

.roulette-history h4 {
  margin: 0 0 10px;
  font-size: 0.88rem;
  font-weight: 700;
  color: #b08898;
}

.roulette-history ol {
  margin: 0;
  padding-left: 1.2rem;
  font-size: 0.88rem;
  color: #5a5068;
}

.roulette-history li {
  padding: 5px 0;
}

.roulette-empty {
  text-align: center;
  color: var(--text-secondary);
  padding: 40px 20px;
  font-size: 0.95rem;
}

.fullscreen-roulette {
  background: linear-gradient(160deg, #fff5f7 0%, #f3f8ff 55%, #f5fff8 100%);
}

.fullscreen-roulette .roulette-stage {
  width: min(88vmin, 720px);
}

.fullscreen-roulette .roulette-winner {
  background: rgba(255, 255, 255, 0.82);
  border-color: rgba(248, 165, 194, 0.35);
  min-width: min(90vw, 400px);
}

.fullscreen-roulette .roulette-winner__placeholder,
.fullscreen-roulette .roulette-winner__label {
  color: var(--text-secondary);
}

.fullscreen-roulette .roulette-winner__name {
  font-size: clamp(2rem, 8vw, 3.5rem);
}

@media (min-width: 960px) {
  .roulette-workspace {
    flex-direction: row;
    align-items: flex-start;
    justify-content: center;
    gap: 32px;
  }

  .roulette-stage {
    flex: 1 1 520px;
    max-width: 520px;
  }

  .roulette-side {
    flex: 0 1 340px;
    width: min(100%, 340px);
    padding-top: 36px;
  }
}

/* Presentation */
.presentation-workspace { display: flex; flex-direction: column; gap: 16px; }

.presentation-workspace .card { padding: 18px; }

.presentation-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.presentation-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

.presentation-list li:hover { background: var(--primary-soft); }

.presentation-drag {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  color: var(--text-secondary);
  cursor: grab;
  border-radius: 6px;
  touch-action: none;
  transition: color var(--transition), background var(--transition);
}

.presentation-drag:active { cursor: grabbing; }

.presentation-list li:hover .presentation-drag {
  color: var(--primary);
  background: rgba(0, 122, 255, 0.08);
}

.presentation-drag__icon {
  display: block;
  width: 16px;
  height: 16px;
}

.presentation-list li:last-child { border-bottom: none; }

.presentation-order {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.presentation-name { font-weight: 600; flex: 1; }

.presentation-actions { margin-top: 14px; }

.presentation-empty {
  padding: 20px;
  color: var(--text-secondary);
  text-align: center;
  list-style: none;
}

.presentation-groups {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}

.presentation-group-card h4 {
  margin: 0 0 10px;
  font-size: 1rem;
  color: var(--primary);
}

.presentation-group-card .presentation-list {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

/* Officers vote */
.officers-workspace {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 920px;
}

.officers-card {
  padding: 18px;
}

.officers-card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.officers-section-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}

.officers-sublabel {
  margin: 12px 0 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary, #555);
}

.officers-voter-row {
  margin-top: 14px;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 10px 12px;
}

.officers-voter-field {
  min-width: 140px;
}

.officers-progress {
  margin: 6px 0 10px;
  font-size: 0.95rem;
  font-weight: 600;
}

.officers-progress.is-done {
  color: #047857;
}

.officers-gate-complete {
  color: #047857;
  font-weight: 700;
}

.officers-mode-tabs,
.officers-method-tabs {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 4px;
  background: var(--bg-page, #f5f5f7);
  border-radius: var(--radius-sm, 10px);
  border: 1px solid var(--border, #e5e5ea);
}

.officers-mode-tab {
  padding: 8px 14px;
  border: none;
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-secondary, #555);
}

.officers-mode-tab.is-active {
  background: #1d4ed8;
  color: #fff;
}

.officers-pick-list {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.officers-pick-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 10px 12px;
  border: 1px solid var(--border, #e5e5ea);
  border-radius: var(--radius-sm, 10px);
  background: var(--bg-page, #fafafa);
}

.officers-pick-name {
  flex: 1;
  font-weight: 600;
}

.officers-pick-actions {
  display: inline-flex;
  gap: 6px;
}

.officers-pick-empty {
  padding: 10px 0;
  color: var(--text-secondary, #888);
  font-size: 0.9rem;
}

.officers-symbol-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 64px;
  padding: 4px 8px;
  border-radius: 999px;
  background: #dbeafe;
  color: #1e40af;
  font-size: 0.78rem;
  font-weight: 700;
}

.officers-roster {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.officers-roster-chip {
  padding: 8px 12px;
  border: 1px solid var(--border, #e5e5ea);
  border-radius: 999px;
  background: #fff;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.84rem;
  font-weight: 600;
}

.officers-roster-chip.is-selected {
  background: #1d4ed8;
  border-color: #1d4ed8;
  color: #fff;
}

.officers-roster-chip.is-blocked,
.officers-roster-chip:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.officers-actions {
  flex-wrap: wrap;
  gap: 8px;
}

.btn-sm {
  padding: 6px 10px;
  font-size: 0.78rem;
}

.officers-live-head .officers-section-title {
  margin-bottom: 4px;
}

.officers-flash {
  margin: 10px 0;
  padding: 10px 14px;
  border-radius: var(--radius-sm, 10px);
  background: #ecfdf5;
  color: #047857;
  font-weight: 700;
}

.officers-flash--kiosk {
  font-size: 1.2rem;
  text-align: center;
}

.officers-badge {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  background: #e5e5ea;
  font-size: 0.75rem;
  font-weight: 700;
}

.officers-badge--live {
  background: #fee2e2;
  color: #b91c1c;
}

.officers-badge--reveal {
  background: #dbeafe;
  color: #1d4ed8;
}

.officers-badge--done {
  background: #d1fae5;
  color: #047857;
}

.officers-vote-board {
  padding: 8px 0 4px;
  opacity: 0.55;
  transition: opacity 0.2s ease;
}

.officers-flash--gate {
  background: #fff7ed;
  color: #c2410c;
}

.officers-gate-modal {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.officers-gate-lead {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 800;
}

.officers-gate-detail {
  margin: 0;
  font-size: 1rem;
  line-height: 1.5;
}

.officers-gate-note {
  margin: 8px 0 0;
}

.modal-backdrop.officers-vote-gate {
  z-index: 5000;
}

.officers-kiosk--gate {
  padding: 32px 16px;
}

.officers-kiosk--gate .officers-gate-lead {
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin: 12px 0;
}

.officers-vote-board.is-focus,
.officers-vote-board.is-kiosk {
  opacity: 1;
}

.officers-vote-board:not(.is-focus):not(.is-kiosk) .officers-vote-btn {
  pointer-events: none;
}

.officers-vote-board.is-idle {
  opacity: 0.7;
}

.officers-vote-role {
  margin: 0 0 6px;
  font-weight: 700;
  font-size: 1.05rem;
}

.officers-vote-progress {
  margin: 0;
  color: var(--text-secondary, #666);
  font-size: 0.88rem;
}

.officers-vote-name {
  margin: 12px 0 18px;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-align: center;
}

.officers-vote-btns {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.officers-vote-btns--grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
}

.officers-vote-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 140px;
  min-height: 140px;
  padding: 16px;
  border: 2px solid var(--border, #ddd);
  border-radius: 18px;
  background: #fff;
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
}

.officers-vote-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.officers-vote-btn:active {
  transform: scale(0.98);
}

.officers-vote-btn--no {
  border-color: #fca5a5;
  background: #fff1f2;
}

.officers-vote-btn--yes {
  border-color: #86efac;
  background: #f0fdf4;
}

.officers-vote-btn--symbol {
  border-color: #93c5fd;
  background: #eff6ff;
}

.officers-vote-num {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1;
}

.officers-vote-label {
  font-size: 0.95rem;
  font-weight: 700;
}

.officers-vote-count {
  margin: 14px 0 0;
  text-align: center;
  color: var(--text-secondary, #666);
  font-size: 0.88rem;
}

.officers-symbol-list {
  margin: 0 0 14px;
  padding-left: 1.2em;
  line-height: 1.7;
}

.officers-teacher-bar {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border, #eee);
}

.officers-result-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.officers-result-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--border, #e5e5ea);
  border-radius: var(--radius-sm, 10px);
  background: #fff;
}

.officers-result-row.is-winner {
  border-color: #1d4ed8;
  background: #eff6ff;
}

.officers-result-name {
  flex: 1;
  font-weight: 700;
}

.officers-result-count {
  font-weight: 700;
  color: #1e3a8a;
}

.officers-winner-tag {
  padding: 4px 10px;
  border-radius: 999px;
  background: #1d4ed8;
  color: #fff;
  font-size: 0.78rem;
  font-weight: 800;
}

.officers-tie {
  margin: 0 0 10px;
  color: #b45309;
  font-weight: 700;
}

.fullscreen-officers {
  width: min(960px, 100%);
  padding: 24px;
}

.officers-kiosk {
  text-align: center;
}

.officers-kiosk-step {
  margin: 0 0 12px;
  font-size: 1.4rem;
  font-weight: 800;
  color: #1d4ed8;
}

.officers-kiosk .officers-vote-name {
  font-size: clamp(2rem, 5vw, 3rem);
}

.officers-kiosk .officers-vote-btn {
  min-width: 160px;
  min-height: 160px;
}

@media (max-width: 640px) {
  .officers-vote-btn {
    min-width: 120px;
    min-height: 120px;
  }
  .officers-vote-num {
    font-size: 2.1rem;
  }
}

.duty-tabs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.duty-tab--print {
  margin-left: auto;
}

.duty-tab {
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  transition: all var(--transition);
}

.duty-tab.is-active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.duty-panel { padding: 18px; }

.duty-slot {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 4px;
  border-bottom: 1px solid var(--border);
}

.duty-slot:last-child { border-bottom: none; }

.duty-slot label { flex: 1; font-weight: 600; font-size: 0.88rem; }

.duty-cleaning-settings {
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.duty-cleaning-settings__row {
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 12px 16px;
}

.duty-cleaning-settings .field {
  min-width: 120px;
}

.duty-cleaning-hint {
  margin: 10px 0 0;
}

.duty-mode-tabs {
  display: inline-flex;
  gap: 6px;
  padding: 4px;
  background: var(--bg-page);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.duty-mode-tab {
  padding: 8px 14px;
  border: none;
  border-radius: 8px;
  background: transparent;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.duty-mode-tab.is-active {
  background: var(--bg-card);
  color: var(--primary);
  box-shadow: 0 2px 8px rgba(28, 28, 30, 0.06);
}

.duty-cleaning-actions {
  margin-bottom: 14px;
}

.duty-week-wrap {
  overflow-x: auto;
  margin-top: 4px;
}

.duty-week-table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.duty-week-table th,
.duty-week-table td {
  border: 1px solid var(--border);
  padding: 10px 8px;
  text-align: center;
  vertical-align: middle;
}

.duty-week-table thead th {
  background: var(--bg-page);
  font-weight: 700;
  font-size: 0.82rem;
}

.duty-week-table tbody th[scope="row"] {
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 700;
  width: 52px;
}

.duty-week-table .input-select {
  width: 100%;
  min-width: 108px;
  height: 38px;
  font-size: 0.82rem;
}

.duty-print-desc {
  margin: 0 0 14px;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.duty-print-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 18px;
  padding: 14px 16px;
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.duty-print-option {
  font-size: 0.95rem;
  font-weight: 600;
}

.duty-print-option--empty {
  opacity: 0.72;
}

.duty-print-actions {
  margin-bottom: 10px;
}

.duty-print-hint {
  margin: 0;
}

/* Timer */
.timer-workspace {
  padding: 40px;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.timer-mode-tabs {
  display: inline-flex;
  gap: 6px;
  padding: 4px;
  margin-bottom: 20px;
  background: var(--bg-page);
  border-radius: 999px;
  border: 1px solid var(--border);
}

.timer-mode-tab {
  min-height: 40px;
  padding: 0 20px;
  border: none;
  border-radius: 999px;
  background: transparent;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.timer-mode-tab.is-active {
  background: var(--primary);
  color: #fff;
}

.timer-display {
  font-size: 5rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--primary);
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}

.timer-display.is-warning { color: var(--warning); }
.timer-display.is-done { color: var(--danger); }

.timer-panel {
  margin-bottom: 16px;
}

.timer-controls { justify-content: center; }

.timer-actions { justify-content: center; }

.timer-stopwatch-hint {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.fullscreen-timer__mode {
  margin: 0 0 12px;
  font-size: 1.1rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.65);
  letter-spacing: 0.04em;
}

/* Signature maker */
.signature-workspace {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px;
}

.signature-mode-tabs {
  display: inline-flex;
  gap: 6px;
  padding: 4px;
  margin-bottom: 20px;
  background: var(--bg-page);
  border-radius: 999px;
  border: 1px solid var(--border);
}

.signature-tab {
  min-height: 40px;
  padding: 0 20px;
  border: none;
  border-radius: 999px;
  background: transparent;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.signature-tab.is-active {
  background: var(--primary);
  color: #fff;
}

.signature-tab-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.signature-toolbar,
.signature-stamp-form {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 12px 16px;
}

.signature-field {
  min-width: 120px;
}

.signature-field-grow {
  flex: 1;
  min-width: 180px;
}

.signature-field input[type="range"] {
  width: 100%;
  min-width: 100px;
}

.signature-checkbox {
  margin-bottom: 8px;
}

.signature-stamp-colors {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.signature-color-chip {
  padding: 8px 14px;
  border-radius: 999px;
  border: 2px solid transparent;
  background: color-mix(in srgb, var(--chip-color) 12%, var(--bg-page));
  color: var(--text-primary);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color var(--transition), transform 0.15s ease;
}

.signature-color-chip::before {
  content: '';
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--chip-color);
  vertical-align: middle;
}

.signature-color-chip.is-active {
  border-color: var(--chip-color);
}

.signature-color-chip:hover {
  transform: translateY(-1px);
}

.signature-preview-wrap {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  transition: background 0.2s ease;
}

.signature-preview-wrap--light {
  background: #f8f9fc;
}

.signature-preview-wrap--dark {
  background: #0a0a0f;
}

.signature-preview-wrap--checker {
  background-color: #e8eaef;
  background-image:
    linear-gradient(45deg, #d0d4dc 25%, transparent 25%),
    linear-gradient(-45deg, #d0d4dc 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #d0d4dc 75%),
    linear-gradient(-45deg, transparent 75%, #d0d4dc 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}

.signature-preview-wrap--stamp {
  min-height: 300px;
}

.signature-draw-canvas {
  display: block;
  width: 100%;
  max-width: 640px;
  min-height: 160px;
  cursor: crosshair;
  touch-action: none;
  border-radius: 4px;
}

.signature-stamp-canvas {
  display: block;
  width: min(280px, 70vw);
  height: auto;
  aspect-ratio: 1;
}

.signature-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 4px;
}

.signature-preview-bgs {
  display: inline-flex;
  gap: 6px;
  padding: 3px;
  background: var(--bg-page);
  border-radius: 999px;
  border: 1px solid var(--border);
}

.signature-preview-bg {
  padding: 6px 12px;
  border: none;
  border-radius: 999px;
  background: transparent;
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
}

.signature-preview-bg.is-active {
  background: var(--bg-card);
  color: var(--primary);
  box-shadow: var(--shadow);
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
  backdrop-filter: blur(4px);
}

.modal-backdrop.is-open {
  display: flex;
}

.modal {
  width: min(480px, 100%);
  max-height: 90vh;
  overflow: auto;
}

.modal.modal--wide {
  width: min(920px, 100%);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 { margin: 0; font-size: 1rem; }

.modal-body { padding: 20px; }

.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* 교탁용 좌석표 미리보기 */
.seat-preview-wrap {
  overflow: auto;
  max-height: 65vh;
}

.seat-preview-sheet {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  color: #1c1c1e;
}

.seat-preview-notice {
  text-align: center;
  font-size: 0.75rem;
  margin: 0 0 10px;
}

.seat-preview-info {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 12px;
  table-layout: fixed;
}

.seat-preview-info td {
  border: 1px solid #1c1c1e;
  padding: 6px 8px;
  text-align: center;
  vertical-align: middle;
  font-size: 0.8rem;
}

.seat-preview-info__class {
  width: 14%;
  font-size: 1.1rem;
  font-weight: 700;
}

.seat-preview-info__label {
  display: block;
  font-size: 0.65rem;
  font-weight: 600;
  color: #6a6a72;
  margin-bottom: 2px;
}

.seat-preview-body {
  display: flex;
  gap: 12px;
  align-items: stretch;
  min-height: 280px;
}

.seat-preview-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.seat-preview-center {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 0;
}

.seat-preview-sheet--teacher .seat-preview-center {
  flex-direction: column;
}

.seat-preview-grid {
  flex: 1;
  display: grid;
  gap: 4px;
  min-height: 200px;
}

.seat-preview-cell {
  border: 1px solid #1c1c1e;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-weight: 600;
  font-size: 0.8rem;
  padding: 6px 4px;
  min-height: 36px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.seat-preview-cell--empty,
.seat-preview-cell--aisle {
  border-color: #d1d5db;
  background: transparent;
}

.seat-preview-cell--aisle {
  border: none;
}

.seat-preview-desk-wrap {
  display: flex;
  justify-content: center;
  flex-shrink: 0;
}

.seat-preview-sheet--board .seat-preview-desk-wrap {
  order: -1;
}

.seat-preview-desk {
  border: 2px solid #1c1c1e;
  text-align: center;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 8px;
  flex-shrink: 0;
  background: #fff;
}

.seat-preview-desk--compact {
  width: auto;
  min-width: 72px;
  max-width: 110px;
  padding: 5px 14px;
  font-size: 0.78rem;
}

.seat-preview-roster {
  width: 140px;
  flex-shrink: 0;
  border: 1px solid #1c1c1e;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.seat-preview-roster__title {
  text-align: center;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 6px 4px;
  border-bottom: 1px solid #1c1c1e;
  flex-shrink: 0;
}

.seat-preview-roster__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.7rem;
  flex: 1;
}

.seat-preview-roster__table td {
  border: 1px solid #d1d5db;
  padding: 2px 4px;
  text-align: center;
}

.seat-preview-roster__table td:first-child {
  width: 38%;
  color: #6a6a72;
  font-size: 0.65rem;
}

/* Fullscreen */
.fullscreen-overlay {
  position: fixed;
  inset: 0;
  background: #0a0a0f;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
}

.fullscreen-overlay.is-open {
  display: flex;
}

.fullscreen-close {
  position: absolute;
  top: 20px;
  right: 20px;
  color: #fff;
  font-size: 1.5rem;
  z-index: 10;
}

.fullscreen-content {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: #fff;
}

.fullscreen-random .random-winner {
  font-size: clamp(3rem, 12vw, 8rem);
  padding: 40px 60px;
}

.fullscreen-timer .timer-display {
  font-size: clamp(5rem, 20vw, 14rem);
  color: #fff;
}

/* 자리배치 크게보기 (학생 확인용) */
.fullscreen-overlay--seats {
  background: #f0f4f8;
}

.fullscreen-seats {
  color: #1c1c1e;
  padding: 24px 28px 32px;
  box-sizing: border-box;
  justify-content: flex-start;
}

.fullscreen-overlay--seats .fullscreen-close {
  color: #1c1c1e;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid #d0d5dd;
}

.seat-fs {
  width: min(1120px, 96vw);
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.seat-fs__head {
  text-align: center;
  flex-shrink: 0;
}

.seat-fs__title {
  margin: 0;
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.seat-fs__meta {
  margin: 6px 0 0;
  font-size: clamp(0.9rem, 1.6vw, 1.15rem);
  color: #4b5563;
  font-weight: 600;
}

.seat-fs__board {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  justify-content: center;
}

.seat-fs-grid {
  display: grid;
  gap: clamp(6px, 1vw, 12px);
  width: 100%;
  flex: 1;
  min-height: 0;
}

.seat-fs-cell {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-height: 0;
  padding: clamp(6px, 1vw, 12px);
  background: #fff;
  border: 2px solid #c5ccd6;
  border-radius: 12px;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.seat-fs-cell--aisle {
  border: none;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 5px,
    rgba(59, 130, 246, 0.08) 5px,
    rgba(59, 130, 246, 0.08) 10px
  );
  box-shadow: none;
}

.seat-fs-cell--empty,
.seat-fs-cell--vacant {
  background: #eef2f7;
  border-style: dashed;
  opacity: 0.75;
}

.seat-fs-num {
  font-size: clamp(0.75rem, 1.4vw, 1.05rem);
  font-weight: 700;
  color: #64748b;
  line-height: 1.1;
}

.seat-fs-name {
  font-size: clamp(1.05rem, 2.4vw, 1.85rem);
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  word-break: keep-all;
}

.seat-fs-role {
  position: absolute;
  top: 6px;
  right: 6px;
  min-width: 1.4em;
  padding: 2px 6px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
}

.seat-fs-role--president { background: #2563eb; }
.seat-fs-role--vice { background: #0d9488; }

.seat-fs-desk {
  flex-shrink: 0;
  align-self: center;
  padding: 10px 48px;
  border-radius: 10px;
  background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
  color: #fff;
  font-weight: 800;
  font-size: clamp(1rem, 2vw, 1.35rem);
  letter-spacing: 0.06em;
}

.seat-fs__hint {
  flex-shrink: 0;
  margin: 0;
  text-align: center;
  font-size: clamp(0.95rem, 1.5vw, 1.2rem);
  font-weight: 700;
  color: #334155;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 24px;
  background: var(--text-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  z-index: 3000;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.3s ease;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(10px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* Teaching class */
.teaching-class-item {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-top: 10px;
}

.teaching-class-item h4 { margin: 0 0 8px; font-size: 0.9rem; }

.teaching-class-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* Responsive */
@media (max-width: 900px) {
  .seat-workspace { grid-template-columns: 1fr; }
  .seat-sidebar-col { position: static; }
}

@media (max-width: 768px) {
  .hub-dashboard.hub-mindmap {
    min-height: auto;
    padding: 0 0 24px;
  }

  .hub-mindmap .hub-canvas {
    min-height: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 28px 16px 8px;
  }

  .hub-orbit {
    display: block;
    margin-bottom: 20px;
  }

  .hub-orbit__stage {
    width: min(320px, 88vw);
    aspect-ratio: 1;
    height: auto;
    margin: 0 auto;
  }

  .hub-orbit__nodes {
    display: none;
  }

  .hub-mobile:not([hidden]) {
    display: flex !important;
  }

  .hub-mobile[hidden] {
    display: none !important;
  }

  .hub-mobile .hub-satellite-card {
    position: relative;
    left: auto !important;
    top: auto !important;
    transform: none !important;
    flex-direction: row;
    justify-content: flex-start;
    width: 100%;
    min-height: 68px;
    padding: 12px 16px;
    gap: 12px;
    text-align: left;
  }

  .hub-mobile .hub-satellite-card__icon {
    font-size: 1.5rem;
  }

  .hub-mobile .hub-satellite-card__title {
    font-size: 0.92rem;
  }

  .hub-mobile .hub-satellite-card:hover,
  .hub-mobile .hub-satellite-card:active {
    transform: scale(1.02) !important;
  }

  .hub-hero--open {
    max-width: min(320px, 92vw);
  }

  .hub-spokes {
    display: none;
  }

  .hub-dashboard.hub-animate-in .hub-satellite-card {
    animation: ctHubNodeIn 0.48s var(--ease-spring) both;
    animation-delay: calc(0.12s + var(--hub-i, 0) * 0.05s);
  }

  .hub-dashboard.hub-animate-in .hub-hero--open {
    animation: ctHeroFadeUp 0.65s var(--ease-out) both;
  }

  .hero-title__main { font-size: clamp(1.9rem, 8vw, 2.6rem); }
  .hero-desc { font-size: 0.92rem; }

  .app-toolbar__meta {
    flex-wrap: wrap;
    gap: 6px 10px;
  }

  .visitor-counter {
    gap: 6px;
  }

  .visitor-counter__badge {
    font-size: 0.6rem;
    padding: 3px 8px;
  }
}

@media (max-width: 900px) {
  .games-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .game-card {
    min-height: 132px;
    padding: 24px 16px;
  }

  .game-card__icon { font-size: 2.3rem; }
}

@media (max-width: 600px) {
  .form-grid { grid-template-columns: 1fr; }
  .field-span-2 { grid-column: span 1; }
  .timer-display { font-size: 3.5rem; }
  .app-toolbar__actions { gap: 8px; }
  .header-class-select { min-width: 110px; max-width: 140px; }
  .btn-office__label { display: none; }
  .btn-office { padding: 0 12px; }
  .hero-class-select { min-width: 180px; max-width: 100%; }
}

/* ── 스코어보드 ── */
.scoreboard-workspace {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.scoreboard-settings {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 20px;
}

.scoreboard-settings__row {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.scoreboard-settings__actions {
  align-items: center;
  gap: 12px;
  margin-top: 4px;
}

.scoreboard-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.scoreboard-pill {
  min-height: 42px;
  padding: 0 18px;
  border: 1.5px solid var(--border);
  border-radius: 999px;
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), color var(--transition), transform 0.15s var(--ease-spring);
}

.scoreboard-pill:hover {
  border-color: var(--primary);
  background: var(--primary-soft);
}

.scoreboard-pill.is-active {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}

.scoreboard-custom-step {
  margin-top: 4px;
  align-items: flex-end;
}

.scoreboard-custom-step .field {
  flex: 0 1 140px;
}

.scoreboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.scoreboard-team {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 22px 18px 20px;
  overflow: hidden;
  text-align: center;
}

.scoreboard-team::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: var(--team-color, var(--primary));
}

.scoreboard-team-name {
  width: 100%;
  max-width: 180px;
  text-align: center;
  font-weight: 700;
  font-size: 1.05rem;
}

.scoreboard-score {
  font-size: clamp(2.8rem, 8vw, 4rem);
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--text-primary);
  transition: transform 0.2s var(--ease-spring), color 0.2s;
}

.scoreboard-score.is-bump {
  animation: ctScoreBump 0.35s var(--ease-spring);
}

@keyframes ctScoreBump {
  0% { transform: scale(1); }
  40% { transform: scale(1.14); color: var(--team-color, var(--primary)); }
  100% { transform: scale(1); }
}

.scoreboard-controls {
  display: flex;
  gap: 12px;
  width: 100%;
  max-width: 220px;
}

.scoreboard-btn {
  flex: 1;
  min-height: 52px;
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1;
  padding: 0;
}

.scoreboard-btn--minus {
  font-size: 1.8rem;
}

@media (max-width: 600px) {
  .ladder-pool-grid {
    grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
    gap: 8px;
  }

  .ladder-pool-item {
    padding: 10px;
    font-size: 0.82rem;
  }

  .pinball-pool-panel,
  .pinball-settings {
    padding: 16px;
  }

  .roulette-settings .ladder-tab-panel {
    padding: 16px;
  }

  .scoreboard-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .scoreboard-team {
    padding: 18px 14px 16px;
  }

  .scoreboard-settings {
    padding: 16px;
  }

  .scoreboard-score {
    font-size: 2.4rem;
  }

  .scoreboard-btn {
    min-height: 48px;
  }
}

/* Sortable ghost */
.sortable-ghost { opacity: 0.4; background: var(--primary-soft); }