/* =================================================================
   Mobile Game Suite — Shell CSS
   9:16 portrait fixed, mobile-first
   ================================================================= */

:root {
  --bg: #08080d;
  --bg-card: #14141d;
  --bg-card-2: #1a1a26;
  --border: #2a2a3d;
  --text: #f0f0f8;
  --text-dim: #8888a3;
  --text-mute: #555570;
  --accent: #6366f1;
  --accent-2: #8b5cf6;
  --success: #4ade80;
  --warning: #fbbf24;
  --danger: #ff3b6b;

  --cat-reflex: #ff3b6b;
  --cat-aim: #fbbf24;
  --cat-trace: #4ade80;
  --cat-survival: #38bdf8;
  --cat-puzzle: #a855f7;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

html, body {
  height: 100%;
  overscroll-behavior: none;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Helvetica Neue', 'Pretendard', 'Apple SD Gothic Neo', sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.4;
}

body {
  overflow: hidden;
  touch-action: manipulation;
}

/* ===== APP FRAME — 9:16 fixed ===== */
#app {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: #000;
}

#frame {
  position: relative;
  aspect-ratio: 9 / 16;
  height: 100vh;
  max-width: 100vw;
  background: var(--bg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* When viewport is narrower than 9:16 — fill width */
@media (max-aspect-ratio: 9/16) {
  #frame {
    width: 100vw;
    height: auto;
    max-height: 100vh;
  }
}

/* ===== VIEW SYSTEM ===== */
.view {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  overflow: hidden;
  padding: env(safe-area-inset-top) 0 env(safe-area-inset-bottom);
}

.view.active {
  display: flex;
}

.scroll {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

/* ===== HEADER ===== */
.app-header {
  padding: 14px 16px 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  flex-shrink: 0;
}

.app-header .back {
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  width: 36px;
  height: 36px;
  border-radius: 10px;
  font-size: 18px;
  cursor: pointer;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  font-family: inherit;
}

.app-header .back:active {
  background: var(--bg-card);
}

.app-header .title {
  flex: 1;
  min-width: 0;
}

.app-header h1 {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-header .sub {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 2px;
}

/* ===== HOME VIEW ===== */
#view-home {
  background: radial-gradient(ellipse at top, #1a0b2e 0%, var(--bg) 70%);
}

#view-home .scroll {
  padding: 8vh 24px 24px;
  text-align: center;
}

#view-home .logo {
  font-size: 64px;
  margin-bottom: 16px;
  filter: drop-shadow(0 4px 24px rgba(139, 92, 246, 0.4));
}

#view-home h1 {
  font-size: 32px;
  font-weight: 900;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #ff3b6b 0%, #a855f7 50%, #38bdf8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.1;
}

#view-home .tagline {
  margin-top: 12px;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.5;
}

#view-home .home-stats {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

#view-home .home-stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 8px;
}

#view-home .home-stat .v {
  font-size: 22px;
  font-weight: 800;
}

#view-home .home-stat .l {
  font-size: 10px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 4px;
}

#view-home .play-btn {
  margin-top: 32px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  border: none;
  padding: 18px;
  border-radius: 14px;
  font-size: 17px;
  font-weight: 800;
  width: 100%;
  cursor: pointer;
  font-family: inherit;
  letter-spacing: -0.01em;
  box-shadow: 0 8px 24px rgba(139, 92, 246, 0.35);
}

#view-home .play-btn:active {
  transform: scale(0.98);
}

#view-home .home-footer {
  margin-top: 24px;
  color: var(--text-mute);
  font-size: 11px;
  line-height: 1.6;
}

/* ===== GAMES GRID ===== */
.cat-filter {
  display: flex;
  gap: 6px;
  padding: 10px 16px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  flex-shrink: 0;
  scrollbar-width: none;
}
.cat-filter::-webkit-scrollbar { display: none; }

.cat-chip {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
  font-family: inherit;
  flex-shrink: 0;
}

.cat-chip.active {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

.games-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  padding: 12px;
}

.game-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left-width: 3px;
  border-radius: 12px;
  padding: 12px;
  min-height: 130px;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  position: relative;
  transition: transform 0.1s, background 0.1s;
}

.game-card:active {
  transform: scale(0.97);
  background: var(--bg-card-2);
}

.game-card .emoji {
  font-size: 28px;
  line-height: 1;
  margin-bottom: 6px;
}

.game-card .num {
  position: absolute;
  top: 8px;
  right: 10px;
  font-family: 'SF Mono', Menlo, monospace;
  font-size: 10px;
  color: var(--text-mute);
  letter-spacing: 0.1em;
}

.game-card h3 {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}

.game-card .desc {
  font-size: 11px;
  color: var(--text-dim);
  line-height: 1.35;
  flex: 1;
}

.game-card .progress {
  margin-top: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
  color: var(--text-mute);
  font-family: 'SF Mono', Menlo, monospace;
}

.game-card .progress .stars {
  color: var(--warning);
  font-size: 11px;
}

.game-card .progress-bar {
  margin-top: 6px;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.game-card .progress-bar .fill {
  height: 100%;
  background: var(--success);
  transition: width 0.3s;
}

/* ===== GAME DETAIL (Level Select) ===== */
#view-game .game-hero {
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--border);
}

#view-game .game-hero .emoji-big {
  font-size: 44px;
  margin-bottom: 4px;
}

#view-game .game-hero h2 {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.02em;
}

#view-game .game-hero .desc {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 4px;
}

#view-game .inst-box {
  margin: 14px 16px;
  background: var(--bg-card);
  border-radius: 12px;
  padding: 14px;
  border: 1px solid var(--border);
}

#view-game .inst-box .inst-row {
  display: flex;
  gap: 10px;
  padding: 6px 0;
}

#view-game .inst-box .inst-row .lbl {
  flex-shrink: 0;
  width: 52px;
  font-size: 10px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  padding-top: 2px;
}

#view-game .inst-box .inst-row .val {
  font-size: 13px;
  line-height: 1.45;
  color: var(--text);
}

#view-game .section-title {
  padding: 8px 16px 6px;
  font-size: 12px;
  font-weight: 800;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.levels-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  padding: 0 16px 24px;
}

.level-cell {
  aspect-ratio: 1 / 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  font-weight: 800;
}

.level-cell:active {
  transform: scale(0.93);
}

.level-cell.locked {
  background: var(--bg);
  color: var(--text-mute);
  cursor: not-allowed;
}

.level-cell.locked:active {
  transform: none;
}

.level-cell.unlocked {
  background: var(--bg-card-2);
  color: var(--text);
}

.level-cell.cleared {
  background: linear-gradient(135deg, rgba(74,222,128,0.18), rgba(34,197,94,0.10));
  border-color: rgba(74,222,128,0.35);
}

.level-cell .lv-num {
  font-size: 15px;
}

.level-cell .stars {
  font-size: 9px;
  color: var(--warning);
  margin-top: 2px;
  letter-spacing: 0.5px;
}

.level-cell .lock {
  font-size: 14px;
  opacity: 0.4;
}

/* ===== PLAY VIEW ===== */
#view-play {
  background: #000;
}

#view-play .play-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: rgba(0,0,0,0.8);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  font-size: 12px;
  z-index: 10;
}

#view-play .play-bar .exit {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
}

#view-play .play-bar .lv-tag {
  display: flex;
  gap: 12px;
  align-items: center;
}

#view-play .play-bar .lv-tag .pill {
  background: var(--bg-card);
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.04em;
}

#view-play .play-bar .lv-tag .goal {
  color: var(--text-dim);
  font-size: 11px;
}

#play-stage {
  flex: 1;
  position: relative;
  background: #000;
  overflow: hidden;
}

#game-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

#play-hud {
  position: absolute;
  top: 10px;
  left: 12px;
  right: 12px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  pointer-events: none;
  z-index: 5;
}

#play-hud .hud-block {
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(8px);
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.08);
}

#play-hud .hud-block .l {
  font-size: 9px;
  color: var(--text-dim);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

#play-hud .hud-block .v {
  font-size: 18px;
  font-weight: 900;
  margin-top: 1px;
}

/* ===== END OVERLAY ===== */
#end-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.88);
  backdrop-filter: blur(12px);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 20;
}

#end-overlay.show {
  display: flex;
}

#end-overlay .end-title {
  font-size: 32px;
  font-weight: 900;
  letter-spacing: -0.02em;
  text-align: center;
}

#end-overlay .end-title.win { color: var(--success); }
#end-overlay .end-title.lose { color: var(--danger); }

#end-overlay .end-score {
  margin-top: 16px;
  font-size: 56px;
  font-weight: 900;
  font-family: 'SF Mono', Menlo, monospace;
  letter-spacing: -0.04em;
}

#end-overlay .end-stars {
  margin-top: 8px;
  font-size: 36px;
  letter-spacing: 4px;
  color: var(--warning);
  min-height: 44px;
}

#end-overlay .end-sub {
  margin-top: 12px;
  color: var(--text-dim);
  font-size: 13px;
  text-align: center;
  line-height: 1.5;
  max-width: 280px;
}

#end-overlay .end-btns {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  width: 100%;
  max-width: 280px;
}

#end-overlay .end-btns button {
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  font-family: inherit;
  background: var(--bg-card);
  color: var(--text);
}

#end-overlay .end-btns .primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  border: none;
}

#end-overlay .end-btns button:active {
  transform: scale(0.97);
}

/* ===== TOAST ===== */
.toast {
  position: fixed;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.85);
  color: var(--text);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  z-index: 100;
  border: 1px solid var(--border);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
}
.toast.show { opacity: 1; }

/* ===== UTILITIES ===== */
.cat-color-Reflex { color: var(--cat-reflex); }
.cat-color-Aim { color: var(--cat-aim); }
.cat-color-Trace { color: var(--cat-trace); }
.cat-color-Survival { color: var(--cat-survival); }
.cat-color-Puzzle { color: var(--cat-puzzle); }

.cat-bg-Reflex { background: var(--cat-reflex); }
.cat-bg-Aim { background: var(--cat-aim); }
.cat-bg-Trace { background: var(--cat-trace); }
.cat-bg-Survival { background: var(--cat-survival); }
.cat-bg-Puzzle { background: var(--cat-puzzle); }

.cat-border-Reflex { border-left-color: var(--cat-reflex); }
.cat-border-Aim { border-left-color: var(--cat-aim); }
.cat-border-Trace { border-left-color: var(--cat-trace); }
.cat-border-Survival { border-left-color: var(--cat-survival); }
.cat-border-Puzzle { border-left-color: var(--cat-puzzle); }

.cat-pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  align-self: flex-start;
}
.cat-pill-Reflex { background: rgba(255,59,107,0.15); color: var(--cat-reflex); }
.cat-pill-Aim { background: rgba(251,191,36,0.15); color: var(--cat-aim); }
.cat-pill-Trace { background: rgba(74,222,128,0.15); color: var(--cat-trace); }
.cat-pill-Survival { background: rgba(56,189,248,0.15); color: var(--cat-survival); }
.cat-pill-Puzzle { background: rgba(168,85,247,0.15); color: var(--cat-puzzle); }