/* ================================================================
   喝什么？— 扭蛋奶茶选择器  |  主题：可爱治愈 × 扭蛋隐喻
   纯 CSS animation · oklch 色彩 · 移动端优先 · 不花哨
   ================================================================ */

/* ==============================
   Custom Properties
   ============================== */
:root {
  /* — Colors (oklch) — */
  --bg:            oklch(0.972 0.006 85);   /* warm cream */
  --surface:       oklch(0.985 0.004 85);   /* soft white card */
  --surface-hover: oklch(0.96 0.005 85);
  --text:          oklch(0.28 0.012 78);    /* deep warm brown */
  --text-secondary: oklch(0.50 0.010 80);
  --text-muted:    oklch(0.68 0.008 82);
  --border:        oklch(0.92 0.008 84);
  --shadow:        oklch(0.30 0.010 80 / 0.06);
  --shadow-lg:     oklch(0.30 0.010 80 / 0.10);

  /* — Accents — */
  --accent-peach:  oklch(0.72 0.10 18);     /* warm peach/coral */
  --accent-green:  oklch(0.64 0.07 158);    /* soft matcha */
  --accent-amber:  oklch(0.76 0.08 68);     /* warm amber */
  --accent-lavender: oklch(0.70 0.06 310);   /* soft lavender */
  --accent-sky:    oklch(0.68 0.05 230);    /* gentle sky blue */

  /* — Typography — */
  --font-display: 'ZCOOL KuaiLe', system-ui, sans-serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;

  /* — Spacing — */
  --space-xs: clamp(4px, 1vw, 6px);
  --space-sm: clamp(8px, 1.5vw, 12px);
  --space-md: clamp(12px, 2.5vw, 20px);
  --space-lg: clamp(16px, 4vw, 28px);
  --space-xl: clamp(20px, 5vw, 36px);

  /* — Radii — */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 999px;

  /* — Easing (exponential, no bounce/elastic) — */
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-out-expo:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out:    cubic-bezier(0.65, 0, 0.35, 1);

  /* — Timing — */
  --dur-fast: 150ms;
  --dur-normal: 300ms;
  --dur-slow: 500ms;
}

/* ==============================
   Reset & Base
   ============================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Ensure [hidden] always wins over any CSS display value */
[hidden] { display: none !important; }

html {
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100dvh;
  display: flex;
  justify-content: center;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
  -webkit-tap-highlight-color: transparent;
}

input[type="checkbox"] { accent-color: var(--accent-peach); }

img { display: block; max-width: 100%; }

ul { list-style: none; }

/* ==============================
   App Container
   ============================== */
.app {
  width: 100%;
  max-width: 480px;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: var(--space-md);
  gap: var(--space-md);
  container-type: inline-size;
}

/* ==============================
   Header
   ============================== */
.app-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding-top: var(--space-sm);
}

.header-top {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.app-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 6vw, 2.2rem);
  color: var(--accent-peach);
  letter-spacing: 0.04em;
  line-height: 1.2;
}

.app-subtitle {
  font-size: clamp(0.78rem, 2.5vw, 0.88rem);
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* — Price Toggle — */
.price-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  user-select: none;
  flex-shrink: 0;
}

.toggle-label { font-size: 0.85rem; }

.toggle-track {
  width: 44px;
  height: 26px;
  border-radius: var(--radius-full);
  background: var(--border);
  position: relative;
  transition: background var(--dur-fast) var(--ease-out-quart);
}

.price-toggle.on .toggle-track {
  background: var(--accent-green);
}

.toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: oklch(0.99 0.001 85);
  box-shadow: 0 1px 3px var(--shadow);
  transition: transform var(--dur-fast) var(--ease-out-expo);
}

.price-toggle.on .toggle-thumb {
  transform: translateX(18px);
}

/* ==============================
   Board Tabs
   ============================== */
.board-tabs {
  display: flex;
  gap: var(--space-xs);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 2px;
  flex-shrink: 0;
}

.board-tabs::-webkit-scrollbar { display: none; }

.tab {
  flex-shrink: 0;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: clamp(0.78rem, 2.5vw, 0.85rem);
  font-weight: 500;
  background: var(--surface);
  color: var(--text-secondary);
  border: 1.5px solid var(--border);
  transition: all var(--dur-fast) var(--ease-out-quart);
  white-space: nowrap;
}

.tab:hover { background: var(--surface-hover); }

.tab.active {
  background: var(--accent-peach);
  color: oklch(0.985 0.002 85);
  border-color: var(--accent-peach);
}

.tab-add {
  font-size: 1.1rem;
  font-weight: 700;
  padding: 6px 12px;
  color: var(--text-muted);
}

.tab-pool {
  position: relative;
}

/* ==============================
   Main Board
   ============================== */
.board {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* ==============================
   Stage (Gachapon Window)
   ============================== */
.stage {
  position: relative;
  background: var(--surface);
  border-radius: var(--radius-xl);
  border: 2px solid var(--border);
  padding: var(--space-xl) var(--space-md);
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  /* subtle inner shadow — depth */
  box-shadow:
    inset 0 4px 12px oklch(0.30 0.010 80 / 0.04),
    0 2px 8px var(--shadow);
}

/* — Idle state — */
.stage-idle {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-muted);
  transition: opacity var(--dur-fast);
}

.idle-icon {
  font-size: 3rem;
  filter: grayscale(0.2);
  animation: idle-bob 3s var(--ease-in-out) infinite;
}

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

.idle-text {
  font-size: 0.85rem;
  letter-spacing: 0.03em;
}

/* — Active state — */
.stage-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  width: 100%;
}

/* — Logo Slot — */
.logo-slot {
  width: 100px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: filter 0.1s;
  /* Fallback: if logo fails, show nothing discernible */
}

.logo-img.spinning {
  filter: blur(2.5px) saturate(1.1);
}

.logo-img.landed {
  filter: blur(0);
  animation: logo-land 0.45s var(--ease-out-expo);
}

@keyframes logo-land {
  0%   { transform: scale(1.08); opacity: 0.7; }
  60%  { transform: scale(0.98); opacity: 1; }
  100% { transform: scale(1);    opacity: 1; }
}

/* Logo load error fallback */
.logo-img[src=""] { visibility: hidden; }

/* — Logo text fallback — */
.logo-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: clamp(1rem, 5vw, 1.4rem);
  color: var(--accent-peach);
  text-align: center;
  line-height: 1.2;
  letter-spacing: 0.04em;
  pointer-events: none;
}

/* — Result Slot — */
.result-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity 0.35s var(--ease-out-expo),
    transform 0.45s var(--ease-out-expo);
}

.result-slot.revealed {
  opacity: 1;
  transform: translateY(0);
}

.result-drink {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 7vw, 2.4rem);
  color: var(--accent-peach);
  letter-spacing: 0.05em;
  line-height: 1.2;
}

.result-shop {
  font-size: clamp(0.8rem, 2.5vw, 0.9rem);
  color: var(--text-secondary);
  letter-spacing: 0.03em;
}

.result-price {
  font-size: 0.85rem;
  color: var(--accent-green);
  font-weight: 500;
  margin-top: 2px;
}

/* ==============================
   Particles
   ============================== */
.particle {
  position: absolute;
  width: var(--s);
  height: var(--s);
  border-radius: 50%;
  background: var(--c);
  pointer-events: none;
  animation: particle-float 0.9s var(--ease-out-quart) var(--d) forwards;
  opacity: 0;
}

@keyframes particle-float {
  0%   { opacity: 0; transform: translate(0, 0) scale(0); }
  25%  { opacity: 0.75; transform: translate(calc(var(--x) * 0.3), calc(var(--y) * 0.3)) scale(1.1); }
  100% { opacity: 0; transform: translate(var(--x), var(--y)) scale(0.3); }
}

/* ==============================
   Select Button
   ============================== */
.select-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: clamp(14px, 3vw, 18px) var(--space-md);
  background: var(--accent-peach);
  color: oklch(0.985 0.002 85);
  border-radius: var(--radius-lg);
  font-size: clamp(1.1rem, 4vw, 1.3rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  box-shadow: 0 4px 16px oklch(0.72 0.10 18 / 0.25);
  transition:
    transform var(--dur-fast) var(--ease-out-expo),
    box-shadow var(--dur-fast) var(--ease-out-expo),
    opacity var(--dur-fast);
  position: relative;
  overflow: hidden;
}

.select-btn:active {
  transform: scale(0.96);
  box-shadow: 0 2px 8px oklch(0.72 0.10 18 / 0.2);
}

.select-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.select-btn-icon { font-size: 1.3em; }

.select-btn-text { letter-spacing: 0.08em; }

/* Ripple */
.select-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, oklch(1 0 0 / 0.2) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--dur-fast);
}

.select-btn:active::after { opacity: 1; }

/* ==============================
   Controls
   ============================== */
.controls {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  justify-content: center;
}

/* — Chip — */
.control-chip {
  cursor: pointer;
  user-select: none;
}

.chip-checkbox {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.chip-body {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--surface);
  border: 1.5px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-secondary);
  transition: all var(--dur-fast) var(--ease-out-quart);
}

.chip-body:hover { background: var(--surface-hover); }

.chip-checkbox:checked + .chip-body {
  background: oklch(0.92 0.015 18);
  border-color: var(--accent-peach);
  color: var(--accent-peach);
}

.chip-icon  { font-size: 0.9rem; }
.chip-text  { letter-spacing: 0.02em; }

/* Reset chip (button, not checkbox) */
.reset-chip .chip-body {
  cursor: pointer;
}

.reset-chip:active .chip-body {
  transform: scale(0.95);
}

.edit-pool-chip .chip-body {
  border-color: var(--accent-amber);
  color: var(--accent-amber);
}

.edit-pool-chip:active .chip-body {
  transform: scale(0.95);
}

.delete-pool-chip .chip-body {
  border-color: oklch(0.65 0.15 15);
  color: oklch(0.58 0.15 15);
}

.delete-pool-chip:active .chip-body {
  transform: scale(0.95);
}

/* — Pool creation link (subtle, below controls) — */
.pool-actions {
  display: flex;
  justify-content: center;
}

.create-pool-link {
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  transition: color var(--dur-fast), background var(--dur-fast);
}

.create-pool-link:hover {
  color: var(--accent-peach);
  background: oklch(0.94 0.02 18 / 0.5);
}

/* ==============================
   History
   ============================== */
.history {
  padding-top: var(--space-sm);
  border-top: 1.5px dashed var(--border);
}

.history-title {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.history-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.history-item {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 0.78rem;
}

.history-drink { font-weight: 500; color: var(--text); }
.history-shop  { color: var(--text-muted); font-size: 0.72rem; }
.history-price { color: var(--accent-green); font-size: 0.7rem; font-weight: 500; margin-left: 2px; }

.history-item:first-child {
  background: oklch(0.94 0.03 18);
  border-color: var(--accent-peach);
}

.history-item:first-child .history-drink { color: var(--accent-peach); }

/* ==============================
   Removed Drinks (minimized)
   ============================== */
.removed {
  padding-top: var(--space-sm);
  border-top: 1.5px dashed var(--border);
}

.removed-details {
  font-size: 0.75rem;
}

.removed-summary {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  color: var(--text-muted);
  user-select: none;
  list-style: none;
  padding: 2px 0;
}

.removed-summary::-webkit-details-marker { display: none; }

.removed-summary::before {
  content: '▸';
  font-size: 0.6rem;
  transition: transform var(--dur-fast) var(--ease-out-quart);
}

.removed-details[open] .removed-summary::before {
  transform: rotate(90deg);
}

.removed-label {
  font-weight: 500;
  letter-spacing: 0.03em;
}

.removed-count {
  font-weight: 600;
  color: var(--text-muted);
  background: var(--border);
  border-radius: var(--radius-full);
  padding: 0 6px;
  font-size: 0.68rem;
  min-width: 18px;
  text-align: center;
}

.removed-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: var(--space-xs);
  padding-left: 12px;
  list-style: none;
}

.removed-item {
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: oklch(0.96 0.003 85);
  color: var(--text-muted);
  font-size: 0.7rem;
  display: flex;
  align-items: center;
  gap: 3px;
}

.removed-item .ri-drink { font-weight: 500; color: oklch(0.45 0.008 80); }
.removed-item .ri-shop  { opacity: 0.6; font-size: 0.65rem; }

/* ==============================
   Footer / Like
   ============================== */
.app-footer {
  display: flex;
  justify-content: center;
  padding: var(--space-sm) 0 var(--space-lg);
}

.like-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  background: var(--surface);
  border: 1.5px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: all var(--dur-normal) var(--ease-out-quart);
}

.like-btn:hover { background: var(--surface-hover); }

.like-btn:active { transform: scale(0.94); }

.like-btn:disabled {
  opacity: 0.6;
  cursor: default;
}

.like-btn.liked {
  border-color: oklch(0.65 0.18 15);
  color: oklch(0.60 0.18 15);
  background: oklch(0.96 0.02 15);
  animation: heart-pop 0.5s var(--ease-out-expo);
}

@keyframes heart-pop {
  0%   { transform: scale(1); }
  30%  { transform: scale(1.18); }
  100% { transform: scale(1); }
}

.like-icon  { font-size: 1.1rem; transition: transform var(--dur-fast); }
.like-btn.liked .like-icon { animation: heart-beat 0.4s var(--ease-out-expo); }

@keyframes heart-beat {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.25); }
}

.like-count {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* ==============================
   Pool Modal
   ============================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: oklch(0.20 0.008 80 / 0.35);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 100;
  animation: overlay-in 0.25s var(--ease-out-expo);
}

@keyframes overlay-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal {
  width: 100%;
  max-width: 480px;
  max-height: 85dvh;
  background: var(--bg);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-md) var(--space-xl);
  animation: modal-up 0.35s var(--ease-out-expo);
  overflow: hidden;
}

@keyframes modal-up {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 1;
  padding-bottom: var(--space-sm);
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--text);
  letter-spacing: 0.03em;
}

.modal-close {
  font-size: 1.5rem;
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--dur-fast);
}

.modal-close:hover { background: var(--surface-hover); }

.pool-name-input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: var(--font-body);
  background: var(--surface);
  color: var(--text);
  outline: none;
  transition: border-color var(--dur-fast);
}

.pool-name-input:focus {
  border-color: var(--accent-peach);
}

.pool-name-input::placeholder { color: var(--text-muted); }

/* — Drink search — */
.drink-search {
  width: 100%;
  padding: 10px 14px;
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-family: var(--font-body);
  background: var(--surface);
  color: var(--text);
  outline: none;
  transition: border-color var(--dur-fast);
  flex-shrink: 0;
}

.drink-search:focus {
  border-color: var(--accent-peach);
}

.drink-search::placeholder { color: var(--text-muted); }

/* Clear search button for webkit */
.drink-search::-webkit-search-cancel-button {
  -webkit-appearance: none;
  height: 1em;
  width: 1em;
  background: var(--text-muted);
  mask: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z'/></svg>") center/contain no-repeat;
  cursor: pointer;
}

/* — Shop group — */
.shop-group {
  margin-bottom: var(--space-sm);
}

.shop-group-header {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  padding: 4px 4px 6px;
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-xs);
}

.shop-group-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 4px;
}

/* Hidden by search filter */
.drink-card.filtered-out {
  display: none;
}

/* — Drink hint — */
.drink-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  margin: 0;
  transition: opacity var(--dur-fast);
}

.drink-hint.satisfied {
  opacity: 0.35;
}

/* — Drink Grid — */
.drink-grid {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 2px;
}

/* — Drink Card — */
.drink-card {
  cursor: pointer;
}

.drink-card-check {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.drink-card-body {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1.5px solid var(--border);
  transition: all var(--dur-fast) var(--ease-out-quart);
}

.drink-card-body:hover {
  background: var(--surface-hover);
  border-color: oklch(0.85 0.015 18);
}

.drink-card-check:checked + .drink-card-body {
  background: oklch(0.94 0.02 18);
  border-color: var(--accent-peach);
  box-shadow: 0 0 0 3px oklch(0.72 0.10 18 / 0.12);
}

.drink-card-check:checked + .drink-card-body::after {
  content: '✓';
  position: absolute;
  top: -4px;
  right: -4px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-peach);
  color: oklch(0.985 0.002 85);
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.drink-card-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}

.drink-card-shop {
  font-size: 0.65rem;
  color: var(--text-muted);
}

/* — Modal Footer — */
.modal-footer {
  display: flex;
  justify-content: flex-end;
}

.btn-save {
  padding: 10px 28px;
  border-radius: var(--radius-lg);
  background: var(--accent-peach);
  color: oklch(0.985 0.002 85);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  box-shadow: 0 3px 12px oklch(0.72 0.10 18 / 0.2);
  transition: all var(--dur-fast) var(--ease-out-expo);
}

.btn-save:hover:not(:disabled) { opacity: 0.9; }

.btn-save:active:not(:disabled) { transform: scale(0.96); }

.btn-save:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

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

  .logo-img.spinning { filter: none; }

  .stage-idle { opacity: 1; }

  /* Still show results, just without the fanfare */
  .result-slot {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ==============================
   Responsive — Desktop
   ============================== */
@media (min-width: 481px) {
  .app {
    padding: var(--space-lg);
    gap: var(--space-lg);
  }

  .stage {
    min-height: 260px;
    padding: var(--space-xl);
  }

  .logo-slot {
    width: 120px;
    height: 120px;
  }

  .board-tabs {
    justify-content: center;
    flex-wrap: wrap;
  }

  .modal {
    border-radius: var(--radius-xl);
    max-height: 80dvh;
    margin: auto;
  }

  .modal-overlay {
    align-items: center;
  }

  @keyframes modal-up {
    from { transform: translateY(40px); opacity: 0; }
    to   { transform: translateY(0);    opacity: 1; }
  }
}

/* ==============================
   Responsive — Very Small (< 360px)
   ============================== */
@media (max-width: 359px) {
  .tab {
    padding: 5px 10px;
    font-size: 0.72rem;
  }

  .stage {
    min-height: 180px;
    padding: var(--space-md);
  }

  .logo-slot {
    width: 80px;
    height: 80px;
  }

  .select-btn {
    padding: 12px var(--space-md);
    font-size: 1rem;
  }
}