/* ============================================================
   Raw 🍣 — styles.css
   ============================================================ */

/* ── Custom Properties ─────────────────────────────────────── */
:root {
  --color-bg: #faf7f2;
  --color-surface: #ffffff;
  --color-accent: #FF4757;
  --color-accent-2: #f4a261;
  --color-accent-3: #FFD166;
  --color-text: #1a1a2e;
  --color-text-muted: #6b7280;
  --color-nope: #FF4757;
  --color-eat: #2ecc71;
  --radius-card: 24px;
  --shadow-card: 0 12px 40px rgba(255,71,87,0.15), 0 4px 16px rgba(0,0,0,0.08);
  --transition-card: 0.3s ease;
  --gradient-brand: linear-gradient(135deg, #FF4757 0%, #f4a261 100%);
  --font-display: 'Pacifico', cursive;
  --font-body: 'Nunito', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

/* ── Base ───────────────────────────────────────────────────── */
body {
  background-color: var(--color-bg);
  background-image: radial-gradient(circle, rgba(0,0,0,0.055) 1px, transparent 1px);
  background-size: 22px 22px;
  font-family: var(--font-body);
  color: var(--color-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ── Header ─────────────────────────────────────────────────── */
.app-header {
  width: 100%;
  text-align: center;
  padding: 1.25rem 1.5rem;
  background: var(--gradient-brand);
  box-shadow: 0 4px 20px rgba(255,71,87,0.35);
}

.brand {
  font-size: 2.2rem;
  font-family: var(--font-display);
  font-weight: 400;
  color: #ffffff;
  letter-spacing: 0;
  text-shadow: 0 2px 8px rgba(0,0,0,0.18);
}

/* ── Swipe Screen ───────────────────────────────────────────── */
.swipe-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem;
  width: 100%;
  max-width: 520px;
  gap: 1rem;
}

/* ── Progress Bar ───────────────────────────────────────────── */
.progress-bar {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

#progress-text {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.progress-track {
  width: 100%;
  height: 8px;
  background: rgba(0,0,0,0.1);
  border-radius: 8px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-brand);
  border-radius: 8px;
  width: 0%;
  transition: width 0.4s ease;
}

/* ── Undo Row ───────────────────────────────────────────────── */
.undo-row {
  display: flex;
  justify-content: center;
}

.btn-undo {
  background: transparent;
  border: 2px solid var(--color-text-muted);
  border-radius: 20px;
  padding: 0.3rem 0.9rem;
  font-size: 0.8rem;
  font-family: var(--font-body);
  font-weight: 700;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: border-color 0.2s, color 0.2s;
}

.btn-undo:not(:disabled):hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

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

/* ── Card Stack ─────────────────────────────────────────────── */
.card-stack {
  position: relative;
  width: 100%;
  max-width: 420px;
  height: 560px;
}

/* ── Card ───────────────────────────────────────────────────── */
.card {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  cursor: grab;
  user-select: none;
  touch-action: none;
  z-index: 1;
  animation: cardEntrance 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Next card peeking behind */
.card--back {
  transform: scale(0.95) translateY(10px);
  z-index: 0;
  opacity: 0.7;
  pointer-events: none;
  animation: none;
}

/* Drag state — disable transition during drag */
.card--dragging {
  transition: none !important;
}

/* Swipe-left fly-off */
.card--swiping-left {
  transition: transform 0.4s ease, opacity 0.4s ease;
  transform: translateX(-150%) rotate(-30deg);
  opacity: 0;
}

/* Swipe-right fly-off */
.card--swiping-right {
  transition: transform 0.4s ease, opacity 0.4s ease;
  transform: translateX(150%) rotate(30deg);
  opacity: 0;
}

/* ── Card internals ─────────────────────────────────────────── */
.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.card-img-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #f0e6d3, #e8d5b7);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-text-muted);
  text-align: center;
  padding: 1rem;
}

.card-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.2rem 1rem 1rem;
  background: linear-gradient(to top, rgba(0,0,0,0.72) 0%, rgba(0,0,0,0) 100%);
}

.card-name {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 0.35rem;
  color: #ffffff;
  text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

.card-group {
  display: inline-block;
  background: rgba(255,255,255,0.22);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: #ffffff;
  border-radius: 12px;
  padding: 0.2rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  border: 1px solid rgba(255,255,255,0.35);
}

/* ── Swipe direction indicators ─────────────────────────────── */
.card-indicator {
  position: absolute;
  top: 1.4rem;
  font-size: 1.1rem;
  font-weight: 800;
  font-family: var(--font-body);
  letter-spacing: 0.1em;
  opacity: 0;
  transition: opacity 0.15s;
  border-radius: 8px;
  padding: 0.3rem 0.8rem;
  border-width: 3px;
  border-style: solid;
  z-index: 10;
}

.card-indicator--left {
  left: 1.2rem;
  color: #e8554e;
  border-color: #e8554e;
  background: rgba(232,85,78,0.12);
  transform: rotate(-14deg);
}

.card-indicator--right {
  right: 1.2rem;
  color: #27ae60;
  border-color: #27ae60;
  background: rgba(39,174,96,0.12);
  transform: rotate(14deg);
}

/* ── Action Row ─────────────────────────────────────────────── */
.action-row {
  display: flex;
  gap: 2rem;
  justify-content: center;
  padding: 1rem 0;
}

.btn-action {
  border: none;
  border-radius: 50px;
  padding: 1rem 2.2rem;
  font-size: 1.1rem;
  font-weight: 800;
  font-family: var(--font-body);
  cursor: pointer;
  transition: transform 0.15s cubic-bezier(0.34, 1.56, 0.64, 1), filter 0.15s, box-shadow 0.15s;
  min-width: 130px;
}

.btn-nope {
  background: linear-gradient(135deg, #FF4757, #ff6b6b);
  color: white;
  box-shadow: 0 6px 20px rgba(255,71,87,0.42);
}

.btn-eat {
  background: linear-gradient(135deg, #2ecc71, #00b894);
  color: white;
  box-shadow: 0 6px 20px rgba(46,204,113,0.42);
}

.btn-action:hover {
  transform: scale(1.07) translateY(-2px);
  filter: brightness(1.06);
}

.btn-action:active {
  transform: scale(0.95);
  filter: brightness(0.94);
}

/* ── Results Screen ─────────────────────────────────────────── */
.results-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem;
  max-width: 520px;
  width: 100%;
  gap: 1.5rem;
}

.results-title {
  font-size: 2.1rem;
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--color-accent);
  text-align: center;
  text-shadow: 0 2px 12px rgba(255,71,87,0.18);
}

.result-card {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card),
              0 0 0 4px rgba(255,71,87,0.14),
              0 0 0 9px rgba(244,162,97,0.09);
  overflow: hidden;
  width: 100%;
  max-width: 360px;
  text-align: center;
}

.result-img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.result-name {
  font-size: 1.5rem;
  font-weight: 800;
  font-family: var(--font-body);
  padding: 0.85rem 1rem 0.3rem;
  color: var(--color-text);
}

.result-group-badge {
  display: inline-block;
  background: var(--gradient-brand);
  color: white;
  border-radius: 12px;
  padding: 0.3rem 1rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.result-personality {
  text-align: center;
  line-height: 1.6;
  color: var(--color-text);
  max-width: 420px;
  font-size: 0.95rem;
}

.result-breakdown {
  width: 100%;
  max-width: 420px;
}

.result-breakdown h4 {
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--color-text-muted);
  margin-bottom: 0.6rem;
  margin-top: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.result-tags-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.result-tags-list li {
  background: var(--color-bg);
  border: 1.5px solid rgba(255,71,87,0.28);
  border-radius: 20px;
  padding: 0.25rem 0.8rem;
  color: var(--color-text);
  font-size: 0.85rem;
  font-weight: 700;
}

/* ── Group Breakdown Bars ───────────────────────────────────── */
.groups-breakdown {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.bar-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.bar-label {
  width: 110px;
  font-size: 0.85rem;
  text-align: right;
  color: var(--color-text);
}

.bar-track {
  flex: 1;
  height: 12px;
  background: #e5e7eb;
  border-radius: 6px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: var(--gradient-brand);
  border-radius: 6px;
  width: var(--bar-width, 0%);
  animation: barGrow 0.65s ease-out both;
}

.bar-count {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text);
  width: 1.5rem;
}

/* ── Play Again Button ──────────────────────────────────────── */
.btn-play-again {
  background: var(--gradient-brand);
  color: white;
  border: none;
  border-radius: 50px;
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  font-weight: 800;
  font-family: var(--font-body);
  cursor: pointer;
  transition: transform 0.15s cubic-bezier(0.34, 1.56, 0.64, 1), filter 0.15s;
  box-shadow: 0 6px 24px rgba(255,71,87,0.42);
}

.btn-play-again:hover {
  transform: scale(1.07) translateY(-2px);
  filter: brightness(1.06);
}

.btn-play-again:active {
  transform: scale(0.95);
  filter: brightness(0.94);
}

/* ── Error Screen ───────────────────────────────────────────── */
.error-screen {
  text-align: center;
  padding: 2rem;
  max-width: 400px;
}

.error-screen h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.error-screen p {
  margin-bottom: 0.75rem;
  color: var(--color-text-muted);
}

.error-hint code {
  background: #f3f4f6;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.9rem;
}

/* ── Card gone (reduced-motion exit) ───────────────────────── */
.card--gone {
  opacity: 0;
}

/* ── Responsive ─────────────────────────────────────────────── */

/* Small phones (<360px) — prevent overflow */
@media (max-width: 359px) {
  .card-stack {
    height: 360px;
  }

  .btn-action {
    padding: 0.6rem 1rem;
    font-size: 0.88rem;
    min-width: 100px;
  }

  .action-row {
    gap: 1rem;
  }

  .splash-brand {
    font-size: 3rem;
  }

  .results-title {
    font-size: 1.6rem;
  }

  .result-type-card {
    padding: 0.75rem 1rem;
  }

  .result-type-icon {
    font-size: 2rem;
  }

  .results-actions {
    flex-direction: column;
    align-items: center;
  }
}

/* Mobile (≤600px) */
@media (max-width: 600px) {
  .card-stack {
    height: 420px;
  }

  .btn-action {
    padding: 0.8rem 1.4rem;
    font-size: 1rem;
  }
}

/* Tablet (601px–900px) */
@media (min-width: 601px) and (max-width: 900px) {
  .card-stack {
    height: 480px;
  }

  .swipe-screen {
    padding: 1.5rem;
    gap: 1.2rem;
  }

  .btn-action {
    padding: 1rem 2rem;
    font-size: 1.05rem;
  }

  .results-screen {
    padding: 2.5rem;
  }
}

/* Desktop (901px+) */
@media (min-width: 901px) {
  .swipe-screen {
    max-width: 580px;
    padding: 2rem;
  }

  .card-stack {
    max-width: 460px;
    height: 560px;
  }

  .results-screen {
    max-width: 600px;
    padding: 3rem 2rem;
  }

  .result-card {
    max-width: 400px;
  }

  .btn-action {
    padding: 1.1rem 2.5rem;
    font-size: 1.15rem;
  }

  .card-modal-sheet {
    max-width: 560px;
  }
}

/* Landscape on short viewports */
@media (max-height: 500px) and (orientation: landscape) {
  .card-stack {
    height: 280px;
  }

  .swipe-screen {
    padding: 0.5rem 1rem;
    gap: 0.5rem;
  }

  .progress-bar {
    gap: 0.2rem;
  }

  .action-row {
    padding: 0.5rem 0;
  }

  .btn-action {
    padding: 0.6rem 1.4rem;
    font-size: 0.9rem;
  }

  .splash-brand {
    font-size: 2.8rem;
  }

  .splash-content {
    gap: 0.5rem;
  }
}

/* ── Reduced Motion ─────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .card,
  .card--swiping-left,
  .card--swiping-right {
    transition: none !important;
    transform: none !important;
    animation: none !important;
  }

  .card--swiping-left,
  .card--swiping-right {
    opacity: 0;
  }

  .bar-fill {
    animation: none !important;
  }

  .progress-fill {
    transition: none !important;
  }
}

/* ── Keyframes ──────────────────────────────────────────────── */
@keyframes cardEntrance {
  from {
    transform: translateY(30px) scale(0.94);
    opacity: 0;
  }
  to {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

@keyframes barGrow {
  from { width: 0%; }
  to   { width: var(--bar-width, 0%); }
}

/* ============================================================
   FEATURE ADDITIONS
   ============================================================ */

/* ── Dark Mode Variables ─────────────────────────────────────── */
[data-theme="dark"] {
  --color-bg: #0f0f1a;
  --color-surface: #1e1e2e;
  --color-text: #e8e8f0;
  --color-text-muted: #9494b0;
  --shadow-card: 0 12px 40px rgba(255,71,87,0.2), 0 4px 16px rgba(0,0,0,0.5);
}

[data-theme="dark"] body {
  background-image: radial-gradient(circle, rgba(255,255,255,0.025) 1px, transparent 1px);
}

[data-theme="dark"] .progress-track {
  background: rgba(255,255,255,0.1);
}

[data-theme="dark"] .bar-track {
  background: rgba(255,255,255,0.1);
}

[data-theme="dark"] .result-tags-list li {
  background: #2a2a3e;
  border-color: rgba(255,71,87,0.35);
}

[data-theme="dark"] .result-card {
  box-shadow: var(--shadow-card), 0 0 0 4px rgba(255,71,87,0.18), 0 0 0 9px rgba(244,162,97,0.1);
}

[data-theme="dark"] .error-hint code {
  background: #2a2a3e;
  color: var(--color-text);
}

/* ── Header Controls ─────────────────────────────────────────── */
.app-header {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.header-controls {
  position: absolute;
  right: 1rem;
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.btn-header-ctrl {
  background: rgba(255,255,255,0.18);
  border: 1.5px solid rgba(255,255,255,0.35);
  border-radius: 50%;
  width: 2.2rem;
  height: 2.2rem;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.15s;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.btn-header-ctrl:hover {
  background: rgba(255,255,255,0.30);
  transform: scale(1.1);
}

.btn-header-ctrl:active {
  transform: scale(0.92);
}

/* ── Personality Type Card ───────────────────────────────────── */
.result-type-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--gradient-brand);
  border-radius: 20px;
  padding: 1rem 1.4rem;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 6px 24px rgba(255,71,87,0.35);
  animation: typeCardEntrance 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes typeCardEntrance {
  from { transform: scale(0.8) translateY(20px); opacity: 0; }
  to   { transform: scale(1) translateY(0);      opacity: 1; }
}

.result-type-icon {
  font-size: 2.8rem;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.result-type-body {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.result-type-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: #ffffff;
  text-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

.result-type-desc {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.88);
  line-height: 1.5;
}

/* ── Results Actions (Play Again + Share) ────────────────────── */
.results-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-share {
  background: linear-gradient(135deg, #6c5ce7, #a29bfe);
  color: white;
  border: none;
  border-radius: 50px;
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  font-weight: 800;
  font-family: var(--font-body);
  cursor: pointer;
  transition: transform 0.15s cubic-bezier(0.34, 1.56, 0.64, 1), filter 0.15s;
  box-shadow: 0 6px 24px rgba(108,92,231,0.42);
}

.btn-share:hover {
  transform: scale(1.07) translateY(-2px);
  filter: brightness(1.06);
}

.btn-share:active {
  transform: scale(0.95);
  filter: brightness(0.94);
}

/* ── Card "Tap for info" hint ────────────────────────────────── */
.card-tap-hint {
  position: absolute;
  bottom: 1.2rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.55);
  color: rgba(255,255,255,0.85);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  border-radius: 20px;
  padding: 0.25rem 0.7rem;
  pointer-events: none;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  white-space: nowrap;
  animation: hintFade 2.5s ease-out 1.2s both;
}

@keyframes hintFade {
  0%   { opacity: 0; transform: translateX(-50%) translateY(4px); }
  20%  { opacity: 1; transform: translateX(-50%) translateY(0); }
  80%  { opacity: 1; }
  100% { opacity: 0; }
}

/* ── Card Detail Modal ───────────────────────────────────────── */
.card-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.card-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  animation: backdropIn 0.25s ease both;
}

@keyframes backdropIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.card-modal-sheet {
  position: relative;
  z-index: 1;
  background: var(--color-surface);
  border-radius: 28px 28px 0 0;
  width: 100%;
  max-width: 520px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 1.5rem 1.5rem 2.5rem;
  animation: sheetSlideUp 0.32s cubic-bezier(0.34, 1.56, 0.64, 1) both;
  box-shadow: 0 -8px 40px rgba(0,0,0,0.25);
}

@keyframes sheetSlideUp {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

.card-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--color-bg);
  border: none;
  border-radius: 50%;
  width: 2rem;
  height: 2rem;
  font-size: 0.85rem;
  cursor: pointer;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, color 0.2s;
  font-family: var(--font-body);
}

.card-modal-close:hover {
  background: var(--color-accent);
  color: white;
}

.card-modal-img-wrap {
  width: 100%;
  height: 200px;
  border-radius: 18px;
  overflow: hidden;
  margin-bottom: 1.2rem;
}

.card-modal-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-modal-content {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.card-modal-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.card-modal-name {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-text);
}

.card-modal-group-badge {
  display: inline-block;
  background: var(--gradient-brand);
  color: white;
  border-radius: 12px;
  padding: 0.2rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.card-modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.card-modal-tag {
  background: var(--color-bg);
  border: 1.5px solid rgba(255,71,87,0.28);
  border-radius: 20px;
  padding: 0.2rem 0.7rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text);
  font-family: var(--font-body);
}

.card-modal-desc {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--color-text-muted);
}

/* ── Background Pulse ───────────────────────────────────────── */
.bg-pulse {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  opacity: 0;
}

.bg-pulse--nope {
  animation: pulseNope 0.55s ease-out forwards;
}

.bg-pulse--eat {
  animation: pulseEat 0.55s ease-out forwards;
}

@keyframes pulseNope {
  0%   { background: rgba(255,71,87,0);    opacity: 0; }
  25%  { background: rgba(255,71,87,0.38); opacity: 1; }
  100% { background: rgba(255,71,87,0);    opacity: 0; }
}

@keyframes pulseEat {
  0%   { background: rgba(46,204,113,0);    opacity: 0; }
  25%  { background: rgba(46,204,113,0.38); opacity: 1; }
  100% { background: rgba(46,204,113,0);    opacity: 0; }
}

/* ── Confetti Canvas ─────────────────────────────────────────── */
.confetti-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 200;
}

/* ============================================================
   PHASE 2 ENHANCEMENTS — Japanese-inspired + Gamification
   ============================================================ */

/* ── New Color Variables ─────────────────────────────────────── */
:root {
  --color-gold:       #c9a84c;
  --color-gold-light: #f2d06b;
  --color-sakura:     #ffb7c5;
  --shadow-gold:      0 0 0 2px rgba(201,168,76,0.5);
}

/* ── Screen Transition Helpers ───────────────────────────────── */
.screen-exit {
  animation: screenExit 0.28s ease forwards;
}
.screen-enter {
  animation: screenEnter 0.42s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}
@keyframes screenExit {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to   { opacity: 0; transform: translateY(-18px) scale(0.97); }
}
@keyframes screenEnter {
  from { opacity: 0; transform: translateY(28px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Splash Screen ───────────────────────────────────────────── */
.splash-screen {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #1a0610 0%, #2d1228 50%, #0f0d28 100%);
  overflow: hidden;
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.splash-screen.splash-out {
  opacity: 0;
  transform: scale(1.04);
  pointer-events: none;
}
.splash-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  animation: splashContentIn 0.9s cubic-bezier(0.34, 1.56, 0.64, 1) 0.15s both;
}
@keyframes splashContentIn {
  from { transform: translateY(32px) scale(0.88); opacity: 0; }
  to   { transform: translateY(0) scale(1); opacity: 1; }
}
.splash-brand {
  font-size: 4.5rem;
  font-family: var(--font-display);
  color: #ffffff;
  text-shadow: 0 0 50px rgba(255,183,197,0.9), 0 4px 24px rgba(0,0,0,0.5);
  letter-spacing: 0.02em;
}
.splash-sub {
  font-size: 1rem;
  color: rgba(255,255,255,0.7);
  font-weight: 600;
  letter-spacing: 0.07em;
  text-align: center;
}
.btn-splash-begin {
  background: linear-gradient(135deg, #FF4757 0%, #f4a261 100%);
  color: white;
  border: none;
  border-radius: 50px;
  padding: 0.9rem 3rem;
  font-size: 1.15rem;
  font-weight: 800;
  font-family: var(--font-body);
  cursor: pointer;
  margin-top: 0.5rem;
  box-shadow: 0 8px 32px rgba(255,71,87,0.6);
  transition: transform 0.15s cubic-bezier(0.34, 1.56, 0.64, 1), filter 0.15s;
  animation: btnPulse 2.5s ease-in-out 1s infinite;
}
@keyframes btnPulse {
  0%,100% { box-shadow: 0 8px 32px rgba(255,71,87,0.6), 0 0 0 0 rgba(255,71,87,0.35); }
  50%      { box-shadow: 0 8px 32px rgba(255,71,87,0.6), 0 0 0 16px rgba(255,71,87,0); }
}
.btn-splash-begin:hover  { transform: scale(1.07) translateY(-2px); filter: brightness(1.08); }
.btn-splash-begin:active { transform: scale(0.95); }

/* ── Sakura Petals ───────────────────────────────────────────── */
.sakura-field,
.sakura-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.sakura-bg {
  position: fixed;
  z-index: 0;
  opacity: 0;
  transition: opacity 2s ease;
}
.sakura-bg.visible { opacity: 0.4; }

.sakura-petal {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50% 0 50% 0;
  opacity: 0;
  animation: petalFall linear infinite;
}
@keyframes petalFall {
  0%   { transform: translateY(-30px) rotate(0deg); opacity: 0; }
  8%   { opacity: 0.85; }
  92%  { opacity: 0.6; }
  100% { transform: translateY(110vh) rotate(760deg); opacity: 0; }
}

/* ── Seigaiha body texture (Japanese overlapping circles) ────── */
body {
  background-image:
    radial-gradient(circle, rgba(0,0,0,0.045) 1px, transparent 1px),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Ccircle cx='30' cy='30' r='29' fill='none' stroke='rgba(201%2C168%2C76%2C0.045)' stroke-width='1'/%3E%3Ccircle cx='0' cy='30' r='29' fill='none' stroke='rgba(201%2C168%2C76%2C0.045)' stroke-width='1'/%3E%3Ccircle cx='60' cy='30' r='29' fill='none' stroke='rgba(201%2C168%2C76%2C0.045)' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 22px 22px, 60px 60px;
}

/* ── Brand brushstroke accent line ───────────────────────────── */
.brand { position: relative; }
.brand::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 55%;
  height: 3px;
  background: rgba(255,255,255,0.55);
  border-radius: 3px;
}

/* ── Results title accent ────────────────────────────────────── */
.results-title { position: relative; }
.results-title::after {
  content: '';
  display: block;
  width: 64px;
  height: 3px;
  background: var(--gradient-brand);
  border-radius: 3px;
  margin: 0.4rem auto 0;
}

/* ── Card gold border on hover ───────────────────────────────── */
.card {
  border: 2px solid transparent;
}
.card:hover {
  border-color: rgba(201,168,76,0.4);
  box-shadow: var(--shadow-card), 0 0 0 2px rgba(201,168,76,0.4);
}

/* ── Card streak glow ────────────────────────────────────────── */
.card--streak-glow {
  border-color: var(--color-gold) !important;
  box-shadow: var(--shadow-card),
              0 0 0 3px var(--color-gold),
              0 0 32px rgba(201,168,76,0.45) !important;
}

/* ── Card group colour overlay ───────────────────────────────── */
.card-group-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: var(--radius-card);
  z-index: 0;
  opacity: 0.13;
}

/* ── 3D tilt perspective on card stack ───────────────────────── */
.card-stack { perspective: 1000px; }

/* ── Tutorial wiggle ─────────────────────────────────────────── */
.card--tutorial {
  animation: tutorialWiggle 1.3s cubic-bezier(0.36,0.07,0.19,0.97) 0.6s both !important;
}
@keyframes tutorialWiggle {
  0%,100% { transform: rotate(0); }
  15%     { transform: translateX(-14px) rotate(-7deg); }
  30%     { transform: translateX(14px)  rotate(7deg); }
  45%     { transform: translateX(-9px)  rotate(-3.5deg); }
  60%     { transform: translateX(9px)   rotate(3.5deg); }
  75%     { transform: translateX(-4px)  rotate(-1.8deg); }
  90%     { transform: translateX(4px)   rotate(1.8deg); }
}
.card-tutorial-tooltip {
  position: absolute;
  bottom: 4.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.72);
  color: #fff;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.35rem 1rem;
  border-radius: 20px;
  white-space: nowrap;
  pointer-events: none;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  animation: hintFade 3s ease-out 1.2s both;
  z-index: 20;
}

/* ── Swipe particles ─────────────────────────────────────────── */
.swipe-particle {
  position: fixed;
  font-size: 1.35rem;
  pointer-events: none;
  z-index: 300;
  user-select: none;
  animation: particleBurst 0.85s ease-out forwards;
}
@keyframes particleBurst {
  0%   { transform: translate(0,0) scale(1.1); opacity: 1; }
  100% { transform: var(--p-end); opacity: 0; }
}

/* ── Shimmer skeleton loader ─────────────────────────────────── */
.card-img-placeholder {
  background: linear-gradient(90deg,
    #f0e6d3 0%, #f0e6d3 25%,
    #f9efe0 50%,
    #f0e6d3 75%, #f0e6d3 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Streak row ──────────────────────────────────────────────── */
.streak-row {
  display: flex;
  justify-content: center;
  min-height: 1.8rem;
}
.streak-badge {
  background: linear-gradient(135deg, #f9c74f, #f8961e);
  color: white;
  font-weight: 800;
  font-size: 0.85rem;
  padding: 0.25rem 1rem;
  border-radius: 20px;
  letter-spacing: 0.04em;
  box-shadow: 0 2px 14px rgba(248,150,30,0.55);
  animation: streakPop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}
@keyframes streakPop {
  from { transform: scale(0.5) rotate(-8deg); opacity: 0; }
  to   { transform: scale(1) rotate(0deg);    opacity: 1; }
}

/* ── Toast notification ──────────────────────────────────────── */
.toast {
  position: fixed;
  top: 5.2rem;
  left: 50%;
  transform: translateX(-50%) translateY(-16px);
  background: linear-gradient(135deg, #2d3436, #636e72);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 800;
  font-family: var(--font-body);
  padding: 0.65rem 1.5rem;
  border-radius: 30px;
  box-shadow: 0 6px 26px rgba(0,0,0,0.28);
  z-index: 400;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.22s ease, transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
  white-space: nowrap;
}
.toast.toast--visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.toast.toast--combo  { background: linear-gradient(135deg, #f9c74f, #f8961e); }
.toast.toast--badge  { background: linear-gradient(135deg, #6c5ce7, #a29bfe); }
.toast.toast--compat { background: linear-gradient(135deg, #00b894, #00cec9); }

/* ── Achievement badges ──────────────────────────────────────── */
.badges-section {
  width: 100%;
  max-width: 420px;
}
.badges-title {
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.6rem;
}
.badges-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.badge-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  background: linear-gradient(135deg, rgba(201,168,76,0.16), rgba(201,168,76,0.07));
  border: 1.5px solid rgba(201,168,76,0.48);
  border-radius: 18px;
  padding: 0.3rem 0.8rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text);
  animation: badgePop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}
.badge-item .badge-icon { font-size: 1.05rem; }
@keyframes badgePop {
  from { transform: scale(0) rotate(-12deg); opacity: 0; }
  to   { transform: scale(1) rotate(0deg);   opacity: 1; }
}

/* ── Speed stat ──────────────────────────────────────────────── */
.speed-stat {
  background: var(--color-bg);
  border: 1.5px solid rgba(255,71,87,0.22);
  border-radius: 16px;
  padding: 0.5rem 1.3rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-align: center;
}

/* ── Friend banner ───────────────────────────────────────────── */
.friend-banner {
  background: linear-gradient(135deg, #6c5ce7, #a29bfe);
  border-radius: 16px;
  padding: 0.8rem 1.3rem;
  width: 100%;
  max-width: 420px;
  text-align: center;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  box-shadow: 0 4px 22px rgba(108,92,231,0.38);
  animation: typeCardEntrance 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

/* ── Cinematic results reveal ────────────────────────────────── */
.result-hidden {
  opacity: 0;
  transform: translateY(22px) scale(0.96);
  transition: none;
}
.result-reveal {
  animation: resultReveal 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}
@keyframes resultReveal {
  from { opacity: 0; transform: translateY(22px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Improved dark mode ──────────────────────────────────────── */
[data-theme="dark"] {
  --color-bg:       #100d1c;
  --color-surface:  #1b1730;
  --color-text:     #ede8f5;
  --color-text-muted: #8a84a8;
  --color-accent:   #ff6b7a;
  --shadow-card:    0 12px 40px rgba(255,71,87,0.18), 0 4px 16px rgba(0,0,0,0.65);
  --gradient-brand: linear-gradient(135deg, #ff6b7a 0%, #f4a261 100%);
}
[data-theme="dark"] body {
  background-image:
    radial-gradient(circle, rgba(255,255,255,0.022) 1px, transparent 1px),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Ccircle cx='30' cy='30' r='29' fill='none' stroke='rgba(201%2C168%2C76%2C0.065)' stroke-width='1'/%3E%3Ccircle cx='0' cy='30' r='29' fill='none' stroke='rgba(201%2C168%2C76%2C0.065)' stroke-width='1'/%3E%3Ccircle cx='60' cy='30' r='29' fill='none' stroke='rgba(201%2C168%2C76%2C0.065)' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 22px 22px, 60px 60px;
}
[data-theme="dark"] .card-img-placeholder {
  background: linear-gradient(90deg, #261f3c 0%, #261f3c 25%, #312846 50%, #261f3c 75%, #261f3c 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}
[data-theme="dark"] .badge-item {
  background: linear-gradient(135deg, rgba(201,168,76,0.12), rgba(201,168,76,0.05));
  border-color: rgba(201,168,76,0.38);
}
[data-theme="dark"] .speed-stat {
  background: var(--color-surface);
  border-color: rgba(255,107,122,0.28);
}
[data-theme="dark"] .friend-banner { background: linear-gradient(135deg, #4c3aab, #7b6ecc); }
[data-theme="dark"] .card:hover {
  border-color: rgba(201,168,76,0.55);
  box-shadow: var(--shadow-card), 0 0 0 2px rgba(201,168,76,0.5);
}

/* ── Reduced-motion — disable all new animations ─────────────── */
@media (prefers-reduced-motion: reduce) {
  .splash-screen     { transition: none !important; }
  .splash-screen.splash-out { opacity: 0; display: none; }
  .sakura-bg         { display: none !important; }
  .sakura-field      { display: none !important; }
  .card--tutorial,
  .streak-badge,
  .badge-item,
  .result-reveal,
  .swipe-particle,
  .sakura-petal,
  .btn-splash-begin,
  .screen-enter,
  .screen-exit       { animation: none !important; transition: none !important; }
}

/* ============================================================
   PHASE 3 — Visual Polish & UX Enhancements
   ============================================================ */

/* ── Smooth theme toggle transition ──────────────────────────── */
body,
.app-header,
.card-modal-sheet,
.btn-undo,
.result-tags-list li,
.card-modal-tag,
.speed-stat,
.error-hint code {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* ── Progress bar glow ───────────────────────────────────────── */
.progress-fill {
  box-shadow: 0 0 8px rgba(255, 71, 87, 0.3);
}

/* ── Toast improvements — prevent overlap on mobile ──────────── */
@media (max-width: 600px) {
  .toast {
    top: auto;
    bottom: 7rem;
    max-width: 85vw;
    white-space: normal;
    text-align: center;
  }
}

/* ── Card hover lift on desktop ──────────────────────────────── */
@media (hover: hover) and (min-width: 601px) {
  .card:not(.card--back):not(.card--dragging):hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card), 0 16px 48px rgba(0, 0, 0, 0.12);
  }
}

/* ── Button focus visible outlines ───────────────────────────── */
.btn-action:focus-visible,
.btn-undo:focus-visible,
.btn-splash-begin:focus-visible,
.btn-play-again:focus-visible,
.btn-share:focus-visible,
.btn-header-ctrl:focus-visible,
.card-modal-close:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* ── Loading skeleton card ───────────────────────────────────── */
.card-skeleton {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.card-skeleton-img {
  width: 100%;
  height: 70%;
  background: linear-gradient(90deg,
    rgba(0,0,0,0.06) 0%, rgba(0,0,0,0.06) 25%,
    rgba(0,0,0,0.1) 50%,
    rgba(0,0,0,0.06) 75%, rgba(0,0,0,0.06) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

.card-skeleton-bar {
  height: 16px;
  margin: 1rem;
  border-radius: 8px;
  background: linear-gradient(90deg,
    rgba(0,0,0,0.06) 0%, rgba(0,0,0,0.06) 25%,
    rgba(0,0,0,0.1) 50%,
    rgba(0,0,0,0.06) 75%, rgba(0,0,0,0.06) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

.card-skeleton-bar:nth-child(3) {
  width: 60%;
  animation-delay: 0.15s;
}

[data-theme="dark"] .card-skeleton-img,
[data-theme="dark"] .card-skeleton-bar {
  background: linear-gradient(90deg,
    rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.04) 25%,
    rgba(255,255,255,0.08) 50%,
    rgba(255,255,255,0.04) 75%, rgba(255,255,255,0.04) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

/* ── Swipe hint overlay ──────────────────────────────────────── */
.swipe-hint-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 20;
  animation: hintFade 3s ease-out 0.8s both;
}

.swipe-hint-text {
  background: rgba(0, 0, 0, 0.65);
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 0.5rem 1.5rem;
  border-radius: 30px;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}