:root {
  --bg-soft: #fdfbf0;
  --card-bg: rgba(255, 255, 255, 0.7);
  --text-main: #3e2723;
  --text-muted: #795548;
  --line-soft: #e0d8c0;
  --accent: #9ccc65;
  --accent-strong: #689f38;
  --danger: #d84315;
  --shadow-soft: 0 8px 24px rgba(62, 39, 35, 0.08);
  --shadow-hover: 0 14px 36px rgba(62, 39, 35, 0.14);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --gold: #ffd56f;
  --silver: #c0c0c0;
  --bronze: #cd7f32;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  overflow-x: clip;
  scroll-behavior: smooth;
}

body {
  font-family: "Gloria Hallelujah", "Fredoka", "Nunito", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-size: clamp(16px, 1.6vw, 20px);
  line-height: 1.45;
  color: var(--text-main);
  background: var(--bg-soft);
  position: relative;
  min-height: 100vh;
  isolation: isolate;
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../brand/Describe_The_Scene_Logo.png');
  background-repeat: no-repeat;
  background-position: center;
  background-size: 80% auto;
  opacity: 0.3;
  pointer-events: none;
  z-index: -1;
}

h1,
h2,
h3,
h4,
.brand,
.panel-title,
.page-title {
  font-family: "Barriecito", "Gloria Hallelujah", "Fredoka", cursive;
  letter-spacing: .01em;
}

a,
button,
input,
select,
textarea {
  font: inherit;
}

.app-shell {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.app-main {
  width: min(1280px, 100%);
  max-width: 100%;
  margin: 0 auto;
  padding: clamp(12px, 1.5vw, 20px);
  flex: 1;
  overflow-x: hidden;
}

body.page-dashboard {
  background: linear-gradient(165deg, var(--bg-soft) 0%, #f7f3e1 50%, var(--bg-soft) 100%);
}

body.page-days {
  background: linear-gradient(180deg, #f9f6e5 0%, var(--bg-soft) 100%);
}

body.page-session {
  background: linear-gradient(175deg, var(--bg-soft) 0%, #f0ebce 100%);
}

body.page-scoreboard {
  background: linear-gradient(170deg, #f7f3e1 0%, var(--bg-soft) 100%);
}

body.page-archived,
body.page-import,
body.page-day {
  background: var(--bg-soft);
}

.app-topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-soft);
  min-height: 130px;
  max-height: 160px;
  animation: slideDown 0.4s var(--ease-smooth);
}

.app-topbar-inner {
  width: min(1280px, 100%);
  margin: 0 auto;
  padding: 0 clamp(12px, 1.5vw, 20px);
  min-height: 130px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: nowrap;
}

.brand-row {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #0d4743;
  flex-shrink: 0;
}

.brand-logo {
  width: 180px;
  height: 120px;
  object-fit: contain;
  flex-shrink: 0;
}

.brand-text,
.brand-row .brand {
  font-size: clamp(18px, 1.8vw, 24px);
  font-weight: 700;
  margin: 0;
}

.brand-subtitle-tr,
.brand-subtitle-en {
  margin: 0;
  color: var(--text-muted);
  font-size: clamp(13px, 1.2vw, 16px);
}

.nav-row {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: nowrap;
}

.nav-btn {
  min-height: 44px;
  padding: 8px 12px;
  border-radius: 12px;
  border: 1px solid #d3c9a8;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(4px);
  color: #3e2723;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  font-size: clamp(14px, 1.2vw, 15px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  transition: transform .12s ease, background-color .12s ease, box-shadow .12s ease;
}

.nav-btn:hover {
  filter: brightness(1.05);
}

.nav-btn:nth-child(1) {
  background-color: rgba(161, 136, 127, 0.7);
  border-color: #8d6e63;
  color: #fff;
}

.nav-btn:nth-child(2) {
  background-color: rgba(156, 204, 101, 0.7);
  border-color: #7cb342;
  color: #fff;
}

.nav-btn:nth-child(3) {
  background-color: rgba(255, 202, 40, 0.7);
  border-color: #ffb300;
  color: #3e2723;
}

.nav-btn:nth-child(4) {
  background-color: rgba(129, 212, 250, 0.7);
  border-color: #4fc3f7;
  color: #3e2723;
}

.nav-btn:nth-child(5) {
  background-color: rgba(216, 67, 21, 0.7);
  border-color: #bf360c;
  color: #fff;
}

.nav-more-wrap .nav-btn {
  background-color: rgba(212, 225, 87, 0.7) !important;
  border-color: #c0ca33 !important;
  color: #3e2723 !important;
}

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

.nav-more-wrap {
  position: relative;
}

.nav-more-btn {
  min-width: 44px;
}

.nav-more-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  min-width: 140px;
  border-radius: 12px;
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-soft);
  padding: 6px 0;
  z-index: 50;
}

.nav-more-menu[hidden] {
  display: none !important;
}

.nav-more-item {
  display: block;
  padding: 10px 14px;
  color: #18443f;
  text-decoration: none;
  font-weight: 600;
  min-height: 44px;
  box-sizing: border-box;
  display: flex;
  align-items: center;
}

.nav-more-item:hover {
  background: #f7fffc;
}

@media (max-width: 900px) {
  .nav-row .nav-btn:not(.nav-more-btn) {
    padding: 8px 10px;
    font-size: 13px;
  }
}

.page-intro {
  margin-bottom: clamp(8px, 1vw, 14px);
}

.page-title {
  margin: 0;
  font-size: clamp(22px, 2.6vw, 34px);
}

.app-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 16px;
  padding: 14px;
  border-top: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  color: var(--text-muted);
  font-size: clamp(13px, 1.1vw, 15px);
}

.panel-card {
  border: 1px solid var(--line-soft);
  border-radius: 18px;
  background: var(--card-bg);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-soft);
  padding: clamp(14px, 1.8vw, 22px);
  animation: fadeInUp 0.45s var(--ease-smooth) both;
  transition: transform 0.22s var(--ease-smooth), box-shadow 0.22s var(--ease-smooth);
}

.panel-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.panel-card:nth-child(1) {
  animation-delay: 0.00s;
}

.panel-card:nth-child(2) {
  animation-delay: 0.06s;
}

.panel-card:nth-child(3) {
  animation-delay: 0.12s;
}

.panel-card:nth-child(4) {
  animation-delay: 0.18s;
}

.panel-card:nth-child(5) {
  animation-delay: 0.24s;
}

.panel-card:nth-child(6) {
  animation-delay: 0.30s;
}

.panel-card:nth-child(7) {
  animation-delay: 0.36s;
}

.panel-card:nth-child(8) {
  animation-delay: 0.42s;
}

.panel-card:nth-child(9) {
  animation-delay: 0.48s;
}

.panel-card:nth-child(10) {
  animation-delay: 0.54s;
}

.panel-card:nth-child(n+11) {
  animation-delay: 0.58s;
}

.panel-title {
  margin: 0;
  font-size: clamp(18px, 1.9vw, 28px);
}

.btn-primary,
.btn-secondary,
.btn-danger,
.chip-btn {
  --btn-shadow: #2b1d1a;
  --btn-highlight: rgba(255, 255, 255, 0.4);
  min-height: 52px;
  border-radius: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  text-decoration: none;
  font-family: "Barriecito", "Gloria Hallelujah", "Fredoka", cursive;
  font-size: clamp(16px, 1.5vw, 18px);
  font-weight: 700;
  cursor: pointer;
  border: 4px solid var(--btn-shadow);
  position: relative;
  overflow: hidden;
  transition: transform 0.2s var(--ease-spring), box-shadow 0.2s var(--ease-smooth);
}

/* Glossy Highlight Layer */
.btn-primary::before,
.btn-secondary::before,
.btn-danger::before {
  content: '';
  position: absolute;
  top: 4px;
  left: 6px;
  right: 6px;
  height: 40%;
  background: var(--btn-highlight);
  border-radius: 12px 12px 100% 100%;
  pointer-events: none;
  z-index: 1;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 6px 0 0 var(--btn-shadow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 0 0 var(--btn-shadow);
  background: #aed581;
}

.btn-primary:active {
  transform: translateY(4px);
  box-shadow: 0 2px 0 0 var(--btn-shadow);
}

.btn-secondary,
.chip-btn {
  background: #fff;
  color: #3e2723;
  box-shadow: 0 6px 0 0 var(--btn-shadow);
}

.btn-secondary:hover,
.chip-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 0 0 var(--btn-shadow);
  background: #fffef7;
}

.btn-secondary:active,
.chip-btn:active {
  transform: translateY(4px);
  box-shadow: 0 2px 0 0 var(--btn-shadow);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
  box-shadow: 0 6px 0 0 #8a2525;
  border-color: #8a2525;
}

.btn-danger::before {
  background: rgba(255, 255, 255, 0.25);
}

.btn-danger:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
  box-shadow: 0 8px 0 0 #8a2525;
}

.btn-danger:active {
  transform: translateY(4px);
  box-shadow: 0 2px 0 0 #8a2525;
}

/* Student Action Buttons */
.btn-activate {
  background-color: rgba(104, 159, 56, 0.7) !important;
  border-color: #558b2f !important;
  color: #fff !important;
  backdrop-filter: blur(6px);
}

.btn-activate:hover {
  background-color: rgba(124, 179, 66, 0.8) !important;
}

.btn-archive {
  background-color: rgba(121, 85, 72, 0.7) !important;
  border-color: #5d4037 !important;
  color: #fff !important;
  backdrop-filter: blur(6px);
}

.btn-archive:hover {
  background-color: rgba(141, 110, 99, 0.8) !important;
}

.btn-more {
  background-color: rgba(255, 213, 111, 0.7) !important;
  border-color: #efc45a !important;
  color: #3e2723 !important;
  backdrop-filter: blur(6px);
}

.btn-more:hover {
  background-color: rgba(255, 222, 140, 0.8) !important;
}

.btn-view-again {
  background-color: rgba(255, 202, 40, 0.7) !important;
  border-color: #ffb300 !important;
  color: #3e2723 !important;
  backdrop-filter: blur(6px);
}

.btn-view-again:hover {
  background-color: rgba(255, 213, 111, 0.8) !important;
}

.btn-open-continue {
  background-color: rgba(156, 204, 101, 0.7) !important;
  border-color: #7cb342 !important;
  color: #fff !important;
  backdrop-filter: blur(6px);
}

.btn-open-continue:hover {
  background-color: rgba(174, 213, 129, 0.8) !important;
}

.field-label {
  display: grid;
  gap: 8px;
  font-weight: 700;
}

.field-input {
  width: 100%;
  min-height: 44px;
  border: 1px solid #bfdad2;
  border-radius: 12px;
  padding: 10px 12px;
  background: #fff;
}

.field-input:focus {
  outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent);
}

.confirm-modal {
  border: 0;
  padding: 0;
  background: transparent;
  width: min(96vw, 560px);
}

.confirm-modal[open] {
  animation: modalIn 0.3s var(--ease-spring);
}

.confirm-modal::backdrop {
  background: rgba(14, 45, 41, 0.45);
  animation: fadeIn 0.2s ease-out;
}

.confirm-modal-card {
  border: 1px solid var(--line-soft);
  border-radius: 16px;
  background: #fff;
  padding: clamp(16px, 2vw, 22px);
}

.stat-box {
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  padding: 10px;
  background: rgba(248, 255, 252, 0.7);
  backdrop-filter: blur(6px);
  transition: transform 0.2s var(--ease-smooth), box-shadow 0.2s var(--ease-smooth);
}

.stat-box:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 6px 16px rgba(20, 59, 54, 0.08);
}

.stat-num {
  font-size: clamp(20px, 2.3vw, 32px);
  font-weight: 800;
}

.stat-label {
  color: var(--text-muted);
  font-size: clamp(13px, 1.2vw, 15px);
}

.badge-row {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 4px;
}

.badge-chip {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  border: 1px solid #ebdb9a;
  background: linear-gradient(180deg, #fff8de, #ffefbd);
  background-size: 200% auto;
  color: #5e4911;
  padding: 8px 12px;
  font-weight: 700;
  font-size: clamp(13px, 1.2vw, 15px);
  animation: shimmer 4s linear infinite;
  transition: transform 0.2s var(--ease-spring);
}

.badge-chip:hover {
  transform: scale(1.06);
}

.badge-chip::before {
  content: "";
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #fff, #ffd56f 70%);
  border: 1px solid #efc45a;
  animation: floatY 2s ease-in-out infinite;
}

.bonus-reveal-block {
  animation: bonusReveal 0.6s var(--ease-spring);
}

.bonus-reveal-title {
  animation: bonusPulse 1.5s ease-in-out 3;
  background: linear-gradient(90deg, #49c49a, #ffd56f, #49c49a);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@keyframes bonusReveal {
  from {
    opacity: 0;
    transform: translateY(-12px) scale(0.96);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes bonusPulse {

  0%,
  100% {
    background-position: 0% center;
  }

  50% {
    background-position: 100% center;
    filter: drop-shadow(0 0 12px rgba(127, 217, 184, 0.6));
  }
}

.session-topbar {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  border: 1px solid var(--line-soft);
  border-radius: 16px;
  background: #fff;
  padding: clamp(12px, 1.4vw, 16px);
}

.session-grid {
  display: grid;
  gap: clamp(12px, 1.4vw, 18px);
  grid-template-columns: 1fr;
}

@media (min-width: 901px) {
  .session-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }
}

.reset-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  pointer-events: none;
}

.reset-modal[hidden] {
  display: none !important;
}

.reset-modal:not([hidden]) {
  pointer-events: auto;
}

.reset-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(14, 45, 41, 0.4);
  cursor: pointer;
}

.reset-modal-sheet {
  position: relative;
  width: 100%;
  max-width: 380px;
  border-radius: 18px;
  background: var(--card-bg);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-soft);
  padding: clamp(18px, 2vw, 24px);
}

.reset-modal-title {
  margin: 0 0 10px;
  font-size: clamp(18px, 1.9vw, 22px);
  font-weight: 700;
  color: var(--text-main);
}

.reset-modal-desc {
  margin: 0 0 20px;
  font-size: clamp(15px, 1.3vw, 16px);
  color: var(--text-muted);
  line-height: 1.45;
}

.reset-modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

.reset-modal-actions .btn-secondary,
.reset-modal-actions .btn-danger {
  min-height: 44px;
  padding: 10px 18px;
}

@media (max-width: 480px) {
  .reset-modal {
    align-items: flex-end;
    padding: 0;
  }

  .reset-modal-sheet {
    max-width: none;
    border-radius: 20px 20px 0 0;
    padding-bottom: max(20px, env(safe-area-inset-bottom));
  }
}

.scoreboard-table-wrap {
  overflow-x: auto;
}

.scoreboard-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 8px;
}

.scoreboard-table th {
  text-align: left;
  color: var(--text-muted);
  font-size: 14px;
}

.scoreboard-table td {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(6px);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  padding: 12px;
}

.scoreboard-table td:first-child {
  border-left: 1px solid var(--line-soft);
  border-radius: 12px 0 0 12px;
}

.scoreboard-table td:last-child {
  border-right: 1px solid var(--line-soft);
  border-radius: 0 12px 12px 0;
}

.scoreboard-cards {
  display: grid;
  gap: 10px;
}

.scoreboard-card {
  display: grid;
  gap: 6px;
  grid-template-columns: 1fr;
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(6px);
  padding: 12px;
}

.landmark-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 10px;
}

.landmark-grid-login {
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(3, 1fr);
  max-width: 100%;
  gap: clamp(8px, 1vw, 12px);
}

.landmark-grid-login .icon-card {
  min-height: 120px;
}

.landmark-grid-login .icon-card img {
  width: 100%;
  height: 84px;
  object-fit: cover;
}

.icon-card {
  flex-direction: column;
  border-color: #cce3db;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(6px);
  min-height: 140px;
  padding: 8px;
  box-shadow: 0 5px 14px rgba(36, 73, 69, 0.08);
  transition: transform 0.2s var(--ease-spring), box-shadow 0.2s var(--ease-smooth), border-color 0.2s ease;
}

.icon-card:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 8px 22px rgba(36, 73, 69, 0.13);
}

.icon-card img {
  width: 100%;
  height: 84px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid #d8ebe4;
  transition: transform 0.2s var(--ease-smooth);
}

.icon-card:hover img {
  transform: scale(1.04);
}

.icon-card:active {
  transform: scale(.94);
}

.panel-card.student-active {
  background: rgba(216, 67, 21, 0.75) !important;
  border-color: #bf360c !important;
  color: #fff !important;
  box-shadow: 0 0 20px rgba(216, 67, 21, 0.25);
  animation: cardPulse 2s infinite var(--ease-smooth);
}

.student-active .text-slate-600 {
  color: rgba(255, 255, 255, 0.9) !important;
}

@keyframes cardPulse {
  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.01);
    box-shadow: 0 0 25px rgba(216, 67, 21, 0.35);
  }

  100% {
    transform: scale(1);
  }
}

.icon-card.is-selected {
  border-color: var(--accent-strong);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 40%, transparent);
  animation: selectPop 0.35s var(--ease-spring);
}

.sequence-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 42px;
}

.sequence-thumb {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid #bdd7d0;
  object-fit: cover;
}

.day-card-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.day-progress-badge {
  font-weight: 700;
  font-size: clamp(13px, 1.2vw, 15px);
  color: var(--text-muted);
  background: #f0f7f4;
  padding: 4px 10px;
  border-radius: 999px;
}

.day-sticker {
  width: 50px;
  height: 40px;
  object-fit: contain;
  animation: floatY 2.5s ease-in-out infinite;
}

/* Progress bar */
.progress-track {
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: #e4f1ec;
  overflow: hidden;
  margin-top: 8px;
}

.progress-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  width: 0;
  animation: progressFill 0.9s 0.3s var(--ease-smooth) forwards;
}

.progress-fill.is-complete {
  background: linear-gradient(90deg, #49c49a, #3dbf8a);
}

/* Locked day overlay */
.day-locked {
  opacity: 0.55;
  filter: grayscale(0.3);
  pointer-events: none;
  position: relative;
}

.day-locked::after {
  content: '🔒';
  position: absolute;
  top: 12px;
  right: 14px;
  font-size: 22px;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.15));
}

/* Completed day glow */
.day-completed {
  border-color: #a8e6cf;
  box-shadow: 0 0 0 2px rgba(73, 196, 154, 0.15), var(--shadow-soft);
}

/* Scoreboard podium */
.scoreboard-card.is-rank-1 {
  border-color: var(--gold);
  background: linear-gradient(180deg, #fffbeb 0%, #fff 100%);
}

.scoreboard-card.is-rank-2 {
  border-color: var(--silver);
  background: linear-gradient(180deg, #f8f8f8 0%, #fff 100%);
}

.scoreboard-card.is-rank-3 {
  border-color: var(--bronze);
  background: linear-gradient(180deg, #fdf5ee 0%, #fff 100%);
}

.scoreboard-table tr:nth-child(1) td {
  background: #fffbeb;
}

.scoreboard-table tr:nth-child(2) td {
  background: #fafafa;
}

.scoreboard-table tr:nth-child(3) td {
  background: #fdf5ee;
}

/* Flash message animation */
.flash-msg {
  animation: flashIn 0.4s var(--ease-spring);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.flash-msg.is-leaving {
  opacity: 0;
  transform: translateY(-10px);
}

/* Loading spinner inside buttons */
.btn-loading {
  pointer-events: none;
  opacity: 0.7;
}

.btn-loading::after {
  content: '';
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-left: 6px;
}

/* Active student glow */
.student-active {
  border-color: var(--accent-strong);
  box-shadow: 0 0 0 3px rgba(73, 196, 154, 0.18), var(--shadow-soft);
}

@media (max-width: 1024px) {
  .scoreboard-table-wrap {
    display: none;
  }
}

@media (min-width: 1025px) {
  .scoreboard-cards {
    display: none;
  }
}

/* ===== KEYFRAMES ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }

  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.92) translateY(8px);
  }

  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes selectPop {
  0% {
    transform: scale(1);
  }

  40% {
    transform: scale(1.08);
  }

  100% {
    transform: scale(1);
  }
}

@keyframes shake {

  0%,
  100% {
    transform: translateX(0);
  }

  20% {
    transform: translateX(-6px);
  }

  40% {
    transform: translateX(5px);
  }

  60% {
    transform: translateX(-4px);
  }

  80% {
    transform: translateX(3px);
  }
}

@keyframes bounceIn {
  0% {
    transform: scale(0);
    opacity: 0;
  }

  50% {
    transform: scale(1.15);
  }

  100% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% center;
  }

  100% {
    background-position: 200% center;
  }
}

@keyframes btnShine {
  0% {
    background-position: -200% center;
  }

  100% {
    background-position: 200% center;
  }
}

@keyframes progressFill {
  from {
    width: 0;
  }

  to {
    width: var(--progress, 0%);
  }
}

@keyframes floatY {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-4px);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

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

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulseGlow {

  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(73, 196, 154, 0.3);
  }

  50% {
    box-shadow: 0 0 0 8px rgba(73, 196, 154, 0);
  }
}

/* Respect reduced-motion preference */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}