/* mobile.css — CUBE GAME Mobile Settings & Optimization */

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

:root {
  --cyan:   #67d7f0;
  --green:  #a6e02c;
  --orange: #fe9522;
  --muted:  rgba(255,255,255,0.35);
  --border: rgba(103,215,240,0.15);
}

html, body {
  min-height: 100vh;
  background: radial-gradient(ellipse at top, #1a3a52 0%, #0d1b26 60%);
  font-family: 'Share Tech Mono', monospace;
  color: #fff;
  overflow-x: hidden;
}

#mobileCanvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ── Layout ────────────────────────────────────────────────────────────── */
.mobile-wrap {
  position: relative;
  z-index: 1;
  max-width: 500px;
  margin: 0 auto;
  padding: 0 16px 40px;
  animation: wrapIn 0.5s cubic-bezier(0.16,1,0.3,1) both;
}
@keyframes wrapIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Header ────────────────────────────────────────────────────────────── */
.mobile-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}
.back-btn {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  transition: color 0.2s;
}
.back-btn:hover { color: var(--cyan); }
.mobile-logo { width: 100px; height: auto; }

/* ── Title ─────────────────────────────────────────────────────────────── */
.mobile-title {
  font-family: 'Orbitron', monospace;
  font-size: clamp(1.4rem, 5vw, 2rem);
  font-weight: 900;
  letter-spacing: 0.12em;
  color: var(--cyan);
  text-shadow: 0 0 30px rgba(103,215,240,0.5);
  text-align: center;
  margin-bottom: 24px;
  position: static;
  top: auto;
}

/* ── Card ──────────────────────────────────────────────────────────────── */
.mobile-card {
  background: linear-gradient(160deg, #112233, #0a1820);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

/* ── Sections ──────────────────────────────────────────────────────────── */
.mobile-section {
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.mobile-section:last-of-type { border-bottom: none; }

.mobile-section-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px 12px;
}
.mobile-section-icon { font-size: 1.1rem; }
.mobile-section-label {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: var(--muted);
}

.mobile-section-body {
  padding: 0 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ── Control rows ──────────────────────────────────────────────────────── */
.control-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.control-row:last-child { border-bottom: none; }
.control-icon { font-size: 1.2rem; flex-shrink: 0; }
.control-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.control-name {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.05em;
}
.control-desc {
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 0.03em;
  line-height: 1.4;
}

/* ── Toggle ────────────────────────────────────────────────────────────── */
.toggle {
  position: relative;
  width: 48px; height: 26px;
  flex-shrink: 0;
}
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 26px;
  cursor: pointer;
  transition: all 0.25s;
}
.toggle-slider::before {
  content: "";
  position: absolute;
  left: 4px; top: 4px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  transition: all 0.25s;
}
.toggle input:checked + .toggle-slider {
  background: rgba(103,215,240,0.25);
  border-color: rgba(103,215,240,0.6);
}
.toggle input:checked + .toggle-slider::before {
  transform: translateX(22px);
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(103,215,240,0.5);
}

/* ── How to play grid ──────────────────────────────────────────────────── */
.how-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.how-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  transition: border-color 0.2s;
}
.how-card:hover { border-color: rgba(103,215,240,0.25); }
.how-icon { font-size: 1.8rem; }
.how-text {
  font-size: 0.68rem;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.04em;
  line-height: 1.4;
}

/* ── Save button ───────────────────────────────────────────────────────── */
.save-btn {
  display: block;
  width: calc(100% - 40px);
  margin: 20px;
  padding: 13px;
  background: linear-gradient(135deg, rgba(103,215,240,0.25), rgba(166,224,44,0.2));
  border: 1px solid rgba(103,215,240,0.5);
  border-radius: 10px;
  color: #fff;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.9rem;
  font-weight: bold;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all 0.2s;
}
.save-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(103,215,240,0.25); }
.save-btn::before { display: none; }

/* ── Toast ─────────────────────────────────────────────────────────────── */
#mobileToast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: linear-gradient(135deg, #1e3a4a, #0f2230);
  border: 1px solid rgba(103,215,240,0.4);
  border-radius: 10px;
  padding: 10px 22px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.82rem;
  color: var(--cyan);
  letter-spacing: 0.06em;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  white-space: nowrap;
}
#mobileToast.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* ── Game-side mobile styles (applied on index.html) ───────────────────── */
.touch-trail {
  position: fixed;
  pointer-events: none;
  z-index: 9998;
  border-radius: 50%;
  background: rgba(103,215,240,0.6);
  transform: translate(-50%, -50%);
  animation: trailFade 0.3s ease forwards;
}
@keyframes trailFade {
  from { opacity: 0.8; width: 12px; height: 12px; }
  to   { opacity: 0;   width: 4px;  height: 4px;  }
}

#orientWarning {
  position: fixed;
  inset: 0;
  z-index: 999999;
  background: rgba(0,0,0,0.92);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  font-family: 'Share Tech Mono', monospace;
  text-align: center;
  padding: 20px;
}
#orientWarning.show { display: flex; }
#orientWarning .orient-icon {
  font-size: 4rem;
  animation: rotatePulse 1.5s ease-in-out infinite;
}
@keyframes rotatePulse {
  0%   { transform: rotate(0deg);  }
  50%  { transform: rotate(90deg); }
  100% { transform: rotate(0deg);  }
}
#orientWarning p {
  font-size: 1rem;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.08em;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .hud__score { font-size: calc(18px + 3vw) !important; }
  .cube-count-lbl { font-size: 0.5em !important; }
  .yt-btn, .shop-btn, .sound-hud-btn { font-size: calc(14px + 2vw) !important; }
  .pause-btn { font-size: calc(18px + 3vw) !important; }
  button { font-size: 1.6rem !important; padding: 14px 24px !important; width: 240px !important; }
  h1 { font-size: 3rem !important; }
  .heart { font-size: clamp(24px, 6vw, 36px) !important; }
  #compTimerEl { font-size: clamp(1.8rem, 6vw, 2.5rem) !important; }
  #compScores  { font-size: clamp(0.85rem, 3vw, 1.1rem) !important; }
  .hud__actions { padding-right: max(0.65em, env(safe-area-inset-right)) !important; }
  .hud__score   { padding-left:  max(0.65em, env(safe-area-inset-left))  !important; }
}