:root {
  color-scheme: dark;

  --sp-bg: #0b0f17;
  --sp-surface: #131a26;
  --sp-surface-elevated: #1b2434;
  --sp-canvas: #0f1621;
  --sp-border: #2a364d;

  --sp-cyan: #00e5ff;
  --sp-cyan-dark: #00a8c2;
  --sp-coral: #ff5e7e;
  --sp-coral-dark: #c93b59;
  --sp-mint: #2ee59d;
  --sp-mint-dark: #18a870;
  --sp-slate: #263248;
  --sp-slate-dark: #182030;

  --sp-ink: #f0f6fc;
  --sp-ink-dark: #07131d;
  --sp-muted: #94a3b8;

  --font-sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: "Space Grotesk", "Plus Jakarta Sans", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
}

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

html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: var(--sp-bg);
  color: var(--sp-ink);
  font-family: var(--font-sans);
  overflow: hidden;
}

#app {
  position: relative;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 20% 20%, rgba(0, 229, 255, 0.08), transparent 45%),
    radial-gradient(circle at 80% 80%, rgba(255, 94, 126, 0.08), transparent 45%),
    var(--sp-bg);
}

.handwritten {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

/* Views & Covercards */
.view,
.covercard {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: none;
}

.view.active {
  display: flex;
  flex-direction: column;
}

.covercard {
  z-index: 20;
  background:
    radial-gradient(circle at 50% 35%, rgba(0, 229, 255, 0.14), transparent 55%),
    var(--sp-bg);
  align-items: center;
  justify-content: center;
}

.covercard.active {
  display: flex;
  animation: cardIn 220ms ease-out;
}

#timesup-card,
#round-detail-card {
  background: var(--sp-bg);
}

@keyframes cardIn {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Corner UI */
.ui-corner {
  position: absolute;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 10px;
}

.ui-tl { top: 18px; left: 18px; }
.ui-tr { top: 18px; right: 18px; }
.ui-bl { bottom: 18px; left: 18px; }
.ui-br { bottom: 18px; right: 18px; }

/* 3D Tactile Studio Buttons */
.btn-3d {
  position: relative;
  border: none;
  background: transparent;
  padding: 0;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  user-select: none;
  outline-offset: 4px;
}

.btn-3d:focus-visible {
  outline: 2px solid var(--sp-cyan);
}

.btn-3d .btn-face {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: transform 60ms ease, box-shadow 60ms ease, filter 120ms ease;
}

.btn-large .btn-face {
  min-width: 220px;
  height: 58px;
  padding: 0 32px;
  font-size: 20px;
}

.btn-medium .btn-face {
  height: 44px;
  padding: 0 22px;
  font-size: 15px;
}

.btn-small .btn-face {
  height: 38px;
  padding: 0 14px;
  font-size: 13.5px;
}

.btn-square .btn-face,
.btn-icon .btn-face {
  width: 42px;
  height: 42px;
  font-size: 18px;
}

.btn-cyan .btn-face {
  background: var(--sp-cyan);
  color: var(--sp-ink-dark);
  box-shadow: 0 5px 0 var(--sp-cyan-dark), 0 10px 24px rgba(0, 229, 255, 0.22);
}

.btn-mint .btn-face {
  background: var(--sp-mint);
  color: var(--sp-ink-dark);
  box-shadow: 0 5px 0 var(--sp-mint-dark), 0 10px 24px rgba(46, 229, 157, 0.2);
}

.btn-coral .btn-face {
  background: var(--sp-coral);
  color: #ffffff;
  box-shadow: 0 5px 0 var(--sp-coral-dark), 0 10px 20px rgba(255, 94, 126, 0.2);
}

.btn-slate .btn-face {
  background: var(--sp-slate);
  color: var(--sp-ink);
  border-color: var(--sp-border);
  box-shadow: 0 4px 0 var(--sp-slate-dark), 0 6px 14px rgba(0, 0, 0, 0.3);
}

.btn-3d:hover .btn-face {
  filter: brightness(1.07);
}

.btn-3d:active .btn-face {
  transform: translateY(3px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.35);
}

/* Splash Screen */
#splashview {
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
}

.splash-center {
  max-width: 640px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.hero-banner {
  width: 100%;
  max-width: 460px;
}

.ribbon-svg {
  width: 100%;
  height: auto;
  overflow: visible;
  filter: drop-shadow(0 12px 28px rgba(0, 229, 255, 0.14));
}

.ribbon-title {
  font-family: var(--font-display);
  font-size: 38px;
  font-weight: 700;
  fill: var(--sp-ink);
  letter-spacing: 4px;
}

.studio-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--sp-cyan);
}

.splash-tagline {
  margin: 0;
  font-size: clamp(28px, 4.2vw, 40px);
  line-height: 1.15;
  font-weight: 700;
  color: var(--sp-ink);
}

.splash-subtitle {
  margin: 0 0 10px;
  max-width: 520px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.65;
  color: var(--sp-muted);
}

.ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--sp-muted);
  background: var(--sp-surface);
  border: 1px solid var(--sp-border);
  padding: 6px 12px;
  border-radius: 999px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sp-mint);
  box-shadow: 0 0 8px var(--sp-mint);
}

.ai-badge.offline .status-dot {
  background: var(--sp-coral);
  box-shadow: 0 0 8px var(--sp-coral);
}

.locale-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--sp-muted);
}

.select-clean {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 7px 12px;
  border: 1px solid var(--sp-border);
  border-radius: 6px;
  background: var(--sp-surface);
  color: var(--sp-ink);
  cursor: pointer;
}

/* Game View */
.topbar {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--sp-surface);
  border-bottom: 1px solid var(--sp-border);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
  padding: 12px 20px;
  min-height: 72px;
}

.topbar-left {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 20px;
  font-weight: 700;
  min-width: 0;
}

.topbar-label {
  color: var(--sp-muted);
  font-size: 15px;
  font-family: var(--font-mono);
}

.topbar-word {
  color: var(--sp-cyan);
  font-family: var(--font-display);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.clock {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
}

.clock span {
  display: inline-block;
  background: var(--sp-bg);
  color: var(--sp-ink);
  border: 1px solid var(--sp-border);
  border-radius: 8px;
  padding: 6px 16px;
}

.clock.text-blink span {
  color: var(--sp-coral);
  border-color: var(--sp-coral);
  box-shadow: 0 0 14px rgba(255, 94, 126, 0.3);
}

.clock.text-blink {
  animation: pulseClock 0.55s ease-in-out infinite alternate;
}

@keyframes pulseClock {
  from { transform: translateX(-50%) scale(1); }
  to { transform: translateX(-50%) scale(1.06); }
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hud-stats {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hud-pill {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 11px;
  border-radius: 999px;
  background: var(--sp-surface-elevated);
  border: 1px solid var(--sp-border);
  color: var(--sp-ink);
}

.hud-streak {
  color: var(--sp-cyan);
  border-color: rgba(0, 229, 255, 0.35);
}

.topbar-buttons {
  display: flex;
  align-items: center;
  gap: 8px;
}

@media (max-width: 780px) {
  .clock {
    position: static;
    transform: none;
  }
  .clock.text-blink {
    animation: none;
  }
  .hud-stats {
    display: none;
  }
}

.canvas-stage {
  position: relative;
  flex: 1;
  width: 100%;
  overflow: hidden;
  background: var(--sp-canvas);
}

#drawingCanvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: crosshair;
  touch-action: none;
}

/* AI Speech Bubble */
.speechbubble-wrapper {
  position: absolute;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none;
  z-index: 6;
  max-width: min(90vw, 560px);
}

.speechbubble {
  background: var(--sp-surface-elevated);
  border: 1px solid var(--sp-border);
  border-radius: 10px;
  padding: 11px 20px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--sp-ink);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  text-align: center;
}

.speechbubble.recognized {
  background: var(--sp-mint);
  border-color: var(--sp-mint);
  color: var(--sp-ink-dark);
  font-weight: 700;
}

#machine-speechbubble-secondary {
  color: var(--sp-muted);
  margin-right: 6px;
}

.speechbubble.recognized #machine-speechbubble-secondary {
  color: rgba(7, 19, 29, 0.78);
}

.speechbubble-tip {
  width: 0;
  height: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-top: 10px solid var(--sp-surface-elevated);
}

.speechbubble.recognized + .speechbubble-tip {
  border-top-color: var(--sp-mint);
}

/* New Round Covercard */
.card-container {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px;
  text-align: center;
}

.card-headline {
  font-family: var(--font-mono);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--sp-cyan);
  margin-bottom: 14px;
}

.card-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  background: var(--sp-surface);
  border: 1px solid var(--sp-border);
  border-radius: 16px;
  padding: 36px 48px;
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.45);
  max-width: min(92vw, 560px);
}

.newround-status {
  font-size: 24px;
  color: var(--sp-muted);
}

.challenge-word {
  font-family: var(--font-display);
  font-size: clamp(38px, 6.5vw, 64px);
  font-weight: 700;
  line-height: 1.08;
  color: var(--sp-ink);
}

.time-text {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--sp-muted);
  margin-bottom: 18px;
}

/* Portfolio / Times Up Card */
.scroll-card {
  justify-content: flex-start;
  overflow-y: auto;
  padding-top: 48px;
  padding-bottom: 48px;
}

.timesup-title {
  margin: 0 0 12px;
  font-size: 42px;
  color: var(--sp-ink);
}

.summary-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 16px;
}

.summary-stat-pill {
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--sp-surface);
  border: 1px solid var(--sp-border);
  color: var(--sp-cyan);
}

.timesup-subtitle {
  margin: 0 0 24px;
  max-width: 560px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--sp-muted);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 210px));
  justify-content: center;
  max-width: 920px;
  width: 100%;
  gap: 16px;
  margin-bottom: 28px;
}

.portfolio-item {
  background: var(--sp-surface);
  border: 1px solid var(--sp-border);
  border-radius: 10px;
  padding: 10px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--sp-ink);
  transition: transform 120ms ease, border-color 120ms ease;
}

.portfolio-item:hover {
  transform: translateY(-3px);
  border-color: var(--sp-cyan);
}

.portfolio-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: var(--sp-canvas);
  border-radius: 6px;
}

.portfolio-item-footer {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.badge-pass { color: var(--sp-mint); }
.badge-fail { color: var(--sp-coral); }

.portfolio-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

/* Round Detail Card */
.round-details-title {
  margin: 16px 0 8px;
  font-size: 32px;
}

.highlight-word {
  color: var(--sp-cyan);
}

.round-details-text {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--sp-muted);
  margin: 0 0 18px;
}

.round-drawing-box {
  background: var(--sp-surface);
  border: 1px solid var(--sp-border);
  border-radius: 10px;
  padding: 12px;
  width: min(90vw, 340px);
}

.round-drawing-box img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 6px;
}

.gallery-divider {
  width: min(90vw, 600px);
  border: none;
  border-top: 1px solid var(--sp-border);
  margin: 24px 0;
}

.neighbors-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(150px, 200px));
  gap: 16px;
}

@media (max-width: 600px) {
  .neighbors-grid {
    grid-template-columns: 1fr;
  }
}

.neighbor-card {
  background: var(--sp-surface);
  border: 1px solid var(--sp-border);
  border-radius: 8px;
  padding: 14px;
  text-align: center;
}

.neighbor-rank {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--sp-muted);
  margin-bottom: 4px;
}

.neighbor-word {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--sp-ink);
}

.neighbor-score {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--sp-mint);
}

/* Native <dialog> Modals */
dialog {
  border: 1px solid var(--sp-border);
  border-radius: 12px;
  padding: 24px;
  max-width: min(92vw, 540px);
  width: 100%;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.65);
  background: var(--sp-surface);
  color: var(--sp-ink);
}

dialog:modal {
  overscroll-behavior: contain;
}

dialog::backdrop {
  background: rgba(5, 8, 15, 0.72);
  backdrop-filter: blur(4px);
  overflow: hidden;
  overscroll-behavior: contain;
}

.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.dialog-header h2 {
  margin: 0;
  font-size: 28px;
}

.dialog-body p {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.65;
  color: var(--sp-muted);
}

.dialog-body strong {
  color: var(--sp-ink);
}

.dialog-body code {
  background: var(--sp-bg);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--sp-cyan);
}

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

.dialog-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 20px;
}

.dataset-list {
  max-height: 240px;
  overflow-y: auto;
  border: 1px solid var(--sp-border);
  border-radius: 8px;
  padding: 8px;
  margin: 12px 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--sp-bg);
}

.dataset-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 7px 10px;
  background: var(--sp-surface);
  border-radius: 6px;
}

@media (forced-colors: active) {
  .btn-3d .btn-face,
  .portfolio-item,
  .neighbor-card,
  dialog {
    border: 2px solid ButtonText;
  }
}