/* ──────────────────────────────────────────────────────────
   Dino Run — High School Edition  ·  Global Stylesheet
   ────────────────────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Silkscreen:wght@400;700&display=swap');

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

:root {
  --c-bg:      #0d0d1a;
  --c-accent:  #e94560;
  --c-gold:    #f1c40f;
  --c-purple:  #9b59b6;
  --c-blue:    #3498db;
  --c-green:   #2ecc71;
  --c-panel:   rgba(255,255,255,0.06);
  --c-border:  rgba(255,255,255,0.12);
  --radius:    14px;
  --font:      'Silkscreen', monospace;
}

html, body {
  width: 100%; height: 100%;
  background: var(--c-bg);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}

/* ── Game wrapper ─────────────────────────────────────────── */
#gameWrapper {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background: var(--c-bg);
}

#gameCanvas {
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* ── Mute button ──────────────────────────────────────────── */
#btnMute {
  position: absolute;
  top: 10px; right: 10px;
  background: rgba(0,0,0,0.5);
  border: 1px solid var(--c-border);
  color: #fff; font-size: 18px;
  width: 36px; height: 36px;
  border-radius: 8px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
  z-index: 20;
}
#btnMute:hover { background: rgba(255,255,255,0.15); }

/* ── Shared overlay base ──────────────────────────────────── */
.overlay {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  background: linear-gradient(160deg,
    rgba(13,13,26,0.94) 0%,
    rgba(26,10,36,0.96) 100%);
  backdrop-filter: blur(2px);
  z-index: 10;
  gap: 18px;
  padding: 24px;
}

/* ── Typography ───────────────────────────────────────────── */
.game-title {
  font-family: var(--font);
  font-size: 40px;
  line-height: 1.4;
  text-align: center;
  background: linear-gradient(135deg, #e94560 0%, #f1c40f 50%, #9b59b6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 12px rgba(233,69,96,0.5));
  animation: titlePulse 2.5s ease-in-out infinite;
}

@keyframes titlePulse {
  0%,100% { filter: drop-shadow(0 0 12px rgba(233,69,96,0.5)); }
  50%      { filter: drop-shadow(0 0 22px rgba(241,196,15,0.7)); }
}

.subtitle {
  font-family: var(--font);
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 2px;
  text-align: center;
}

.hint {
  font-family: var(--font);
  font-size: 12px;
  color: rgba(255,255,255,0.35);
  text-align: center;
  animation: blink 1.4s step-end infinite;
}

@keyframes blink {
  0%,100% { opacity: 1; }
  50%      { opacity: 0; }
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  font-family: var(--font);
  font-size: 16px;
  padding: 18px 40px;
  border: none; border-radius: 8px;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, filter 0.15s;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.btn:hover  { transform: translateY(-3px); filter: brightness(1.15); }
.btn:active { transform: translateY(0px);  filter: brightness(0.9); }

.btn-primary {
  background: linear-gradient(135deg, #e94560, #c0392b);
  color: #fff;
  box-shadow: 0 6px 24px rgba(233,69,96,0.4);
}

.btn-secondary {
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
  border: 1px solid var(--c-border);
  box-shadow: none;
}

.btn-ghost {
  background: transparent;
  color: rgba(255,255,255,0.4);
  border: 1px solid rgba(255,255,255,0.1);
  font-size: 14px;
  padding: 14px 28px;
}

/* ── Controls legend ──────────────────────────────────────── */
.controls-legend {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 32px;
  background: var(--c-panel);
  border: 1px solid var(--c-border);
  border-radius: 10px;
  padding: 20px 30px;
}

.ctrl {
  font-family: var(--font);
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  display: flex; align-items: center; gap: 8px;
}

.ctrl kbd {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 12px;
  color: #fff;
  font-family: var(--font);
}

/* ── Skin selection grid ──────────────────────────────────── */
#skinOverlay h2 {
  font-family: var(--font);
  font-size: 24px;
  color: #fff;
  text-align: center;
}

#skinGrid {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.skin-card {
  display: flex; flex-direction: column; align-items: center;
  gap: 10px;
  padding: 14px 12px;
  background: var(--c-panel);
  border: 2px solid var(--c-border);
  border-radius: 12px;
  cursor: pointer;
  transition: transform 0.18s, border-color 0.18s, box-shadow 0.18s;
  min-width: 110px;
}

.skin-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.3);
}

.skin-card.selected {
  border-color: var(--c-gold);
  box-shadow: 0 0 18px rgba(241,196,15,0.35);
  background: rgba(241,196,15,0.08);
}

.skin-preview {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.skin-name {
  font-family: var(--font);
  font-size: 12px;
  color: rgba(255,255,255,0.8);
  text-align: center;
  line-height: 1.6;
}

.skin-card.selected .skin-name {
  color: var(--c-gold);
}

/* ── Skin select row of buttons ───────────────────────────── */
.skin-btn-row {
  display: flex; gap: 12px;
}

/* ── Game Over overlay ────────────────────────────────────── */
#gameOverOverlay h2 {
  font-family: var(--font);
  font-size: 40px;
  color: var(--c-accent);
  text-shadow: 0 0 20px rgba(233,69,96,0.7);
  animation: shake 0.4s ease;
}

@keyframes shake {
  0%,100% { transform: translateX(0); }
  20%      { transform: translateX(-8px); }
  40%      { transform: translateX(8px); }
  60%      { transform: translateX(-5px); }
  80%      { transform: translateX(5px); }
}

.score-display {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  background: var(--c-panel);
  border: 1px solid var(--c-border);
  border-radius: 12px;
  padding: 16px 36px;
}

#finalScore {
  font-family: var(--font);
  font-size: 20px;
  color: var(--c-gold);
}

#hiScore {
  font-family: var(--font);
  font-size: 14px;
  color: rgba(255,255,255,0.5);
}

/* ── Divider ──────────────────────────────────────────────── */
.divider {
  width: 80%;
  border: none;
  border-top: 1px solid var(--c-border);
}

/* ── Leaderboard ──────────────────────────────────────────── */
#leaderboardOverlay h2 {
  font-family: var(--font);
  font-size: 32px;
  color: #fff;
  text-align: center;
  text-shadow: 0 0 10px rgba(255,255,255,0.3);
}

.leaderboard-list {
  background: rgba(0,0,0,0.5);
  border: 2px solid var(--c-border);
  border-radius: 8px;
  padding: 16px;
  width: 320px;
  max-height: 250px;
  overflow-y: auto;
  font-family: var(--font);
  color: white;
}
.leaderboard-entry {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 14px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding-bottom: 4px;
}
.leaderboard-entry:last-child {
  border-bottom: none;
  margin-bottom: 0;
}
.name-input-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--c-panel);
  border: 1px solid var(--c-gold);
  border-radius: 8px;
  padding: 16px;
  margin-top: 10px;
}
.name-input-container p {
  font-family: var(--font);
  color: var(--c-gold);
  font-size: 14px;
}
#playerNameInput {
  font-family: var(--font);
  padding: 12px;
  background: #1a1a2e;
  border: 2px solid var(--c-accent);
  color: white;
  border-radius: 6px;
  text-align: center;
  text-transform: uppercase;
  width: 140px;
}
#playerNameInput:focus {
  outline: none;
  border-color: var(--c-gold);
}

/* ── Scrollbar hide (canvas container) ───────────────────── */
::-webkit-scrollbar { display: none; }

/* ── Info Box styling ─────────────────────────────────────── */
.info-content {
  background: rgba(0,0,0,0.8);
  border: 2px solid var(--c-border);
  border-radius: 16px;
  padding: 30px 40px;
  width: 90%;
  max-width: 800px;
  max-height: 70vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.info-content section h3 {
  font-family: var(--font);
  font-size: 18px;
  color: var(--c-accent);
  margin-bottom: 8px;
  border-bottom: 1px solid var(--c-border);
  padding-bottom: 4px;
}

.info-content ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.info-content li {
  font-family: var(--font);
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  line-height: 1.4;
}

.info-content strong {
  color: #fff;
}

.info-content p {
  font-family: var(--font);
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

/* ── Orientation Logic ─────────────────────────────────────── */
#orientationWarning {
  display: none;
  z-index: 1000;
  background: var(--c-bg);
}

@media (orientation: portrait) {
  #orientationWarning {
    display: flex !important;
  }
  #gameCanvas,
  #menuOverlay,
  #skinOverlay,
  #gameOverOverlay,
  #btnMute {
    display: none !important;
  }
}