/* ============================================================
   style.css — base layout, design tokens, components
   ============================================================ */

:root {
  --bg-deep: #070b10;
  --bg-deep-2: #0c1420;
  --panel: rgba(19, 26, 34, 0.82);
  --panel-solid: #131a22;
  --panel-border: rgba(232, 163, 61, 0.16);
  --wood: #4a2c17;
  --gold: #e8a33d;
  --gold-bright: #ffcf7a;
  --cyan: #3ddce8;
  --rose: #ef476f;
  --success: #06d6a0;
  --danger: #ef476f;
  --text: #f4f1ea;
  --text-dim: #93a0ac;
  --text-faint: #5d6a75;
  --radius-lg: 26px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-glow: 0 0 0 1px var(--panel-border), 0 24px 60px -20px rgba(0,0,0,0.7);
  --font-display: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg-deep);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

#app {
  position: relative;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  max-width: 100vw;
  max-height: 100vh;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 30% 0%, rgba(61,220,232,0.06), transparent 55%),
    radial-gradient(ellipse at 80% 100%, rgba(232,163,61,0.08), transparent 55%),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-deep-2) 100%);
}

/* ---------------- Screens ---------------- */
.screen {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(20px + var(--safe-top)) calc(20px + var(--safe-right)) calc(20px + var(--safe-bottom)) calc(20px + var(--safe-left));
}

.screen.active { display: flex; }

#screen-game.active { justify-content: flex-start; padding: 0; }
#screen-level-select.active,
#screen-how-to-play.active,
#screen-settings.active { justify-content: flex-start; }

/* ---------------- Panels & cards ---------------- */
.panel {
  position: relative;
  z-index: 1;
}

.panel--center {
  width: 100%;
  max-width: 440px;
  background: var(--panel);
  backdrop-filter: blur(18px);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glow);
  padding: 40px 34px;
  text-align: center;
}

.panel--narrow { max-width: 360px; padding: 32px 28px; }

.eyebrow {
  margin: 0 0 6px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

.title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
  letter-spacing: 0.01em;
  font-size: 30px;
  color: var(--text);
}

.title--hero {
  font-size: 46px;
  background: linear-gradient(135deg, var(--gold-bright), var(--gold) 55%, #b97a2b);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 8px 40px rgba(232,163,61,0.25);
}

.title--sm { font-size: 22px; }

.subtitle {
  margin: 0 0 26px;
  color: var(--text-dim);
  font-size: 15px;
}

.btn-stack { display: flex; flex-direction: column; gap: 12px; }
.btn-row { display: flex; gap: 12px; justify-content: center; }

.btn {
  border: none;
  border-radius: var(--radius-md);
  padding: 15px 22px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
  min-height: 48px;
}

.btn:active { transform: scale(0.97); }

.btn--primary {
  background: linear-gradient(135deg, var(--gold-bright), var(--gold));
  color: #221202;
  box-shadow: 0 10px 30px -8px rgba(232,163,61,0.55);
}
.btn--primary:hover { filter: brightness(1.06); }

.btn--lg { padding: 18px 22px; font-size: 16px; }

.btn--secondary {
  background: rgba(255,255,255,0.06);
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.1);
}
.btn--secondary:hover { background: rgba(255,255,255,0.1); }

.btn--ghost {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid transparent;
}
.btn--ghost:hover { color: var(--text); }

.btn--danger {
  background: linear-gradient(135deg, #ff6b81, var(--danger));
  color: #2a0410;
}

.btn--danger-outline {
  background: transparent;
  color: var(--danger);
  border: 1px solid rgba(239,71,111,0.5);
  padding: 10px 16px;
  min-height: 40px;
}

.btn-icon {
  width: 44px;
  height: 44px;
  min-height: 44px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  border-radius: 50%;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.menu-footnote {
  margin-top: 20px;
  font-size: 12px;
  color: var(--text-faint);
}

/* ---------------- Main menu background flourish ---------------- */
.menu-bg { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.menu-ball {
  position: absolute;
  border-radius: 50%;
  filter: blur(0.5px);
  opacity: 0.5;
}
.menu-ball--1 { width: 120px; height: 120px; left: 8%; top: 15%; background: radial-gradient(circle at 35% 30%, #fff, var(--gold) 45%, #7a4c15); }
.menu-ball--2 { width: 90px; height: 90px; right: 10%; top: 60%; background: radial-gradient(circle at 35% 30%, #fff, var(--cyan) 45%, #0b5b62); }
.menu-ball--3 { width: 60px; height: 60px; right: 22%; top: 12%; background: radial-gradient(circle at 35% 30%, #fff, var(--rose) 45%, #6c1029); }

/* ---------------- Subheader (back nav) ---------------- */
.subheader {
  width: 100%;
  max-width: 720px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 4px 4px 18px;
  flex-shrink: 0;
}
.subheader h2 { margin: 0; font-family: var(--font-display); font-size: 20px; font-weight: 800; font-style: italic; }
.subheader-spacer { flex: 1; }

.scroll-area {
  width: 100%;
  max-width: 720px;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding-bottom: 16px;
  -webkit-overflow-scrolling: touch;
  mask-image: linear-gradient(180deg, #000 calc(100% - 28px), transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, #000 calc(100% - 28px), transparent 100%);
}

/* ---------------- Level select ---------------- */
.level-grid {
  width: 100%;
  max-width: 720px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(76px, 1fr));
  gap: 12px;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  align-content: start;
  padding-bottom: 20px;
  -webkit-overflow-scrolling: touch;
}

.level-tile {
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, rgba(232,163,61,0.18), rgba(255,255,255,0.03));
  border: 1px solid rgba(232,163,61,0.35);
  color: var(--text);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-family: var(--font-display);
}

.level-tile-num { font-size: 18px; font-weight: 800; font-style: italic; }
.level-tile-stars { font-size: 11px; color: var(--gold); letter-spacing: 1px; }
.level-tile-lock { font-size: 15px; opacity: 0.6; }

.level-tile.is-locked {
  background: rgba(255,255,255,0.03);
  border-color: rgba(255,255,255,0.06);
  color: var(--text-faint);
}

/* ---------------- How to play ---------------- */
.info-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  margin-bottom: 12px;
}
.info-card h3 { margin: 0 0 8px; font-size: 14px; color: var(--gold); text-transform: uppercase; letter-spacing: 0.06em; }
.info-card p { margin: 0; color: var(--text-dim); font-size: 14px; line-height: 1.55; }

.key-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.key-list li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text-dim); }
.key {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 6px;
  padding: 3px 9px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text);
  min-width: 46px;
  text-align: center;
}

.how-to-play-back { width: 100%; max-width: 720px; margin-top: 4px; flex-shrink: 0; }

/* ---------------- Settings ---------------- */
.settings-row {
  width: 100%;
  max-width: 720px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  margin-bottom: 10px;
  font-size: 15px;
}
.settings-row--danger { border-color: rgba(239,71,111,0.3); }

.toggle {
  width: 50px;
  height: 28px;
  border-radius: 20px;
  border: none;
  background: rgba(255,255,255,0.14);
  position: relative;
  transition: background 0.2s ease;
}
.toggle-knob {
  position: absolute;
  top: 3px; left: 3px;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: #fff;
  transition: transform 0.2s ease;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}
.toggle.is-on { background: var(--success); }
.toggle.is-on .toggle-knob { transform: translateX(22px); }

.segmented {
  display: flex;
  background: rgba(255,255,255,0.06);
  border-radius: 10px;
  padding: 3px;
  gap: 3px;
}
.segmented button {
  border: none;
  background: transparent;
  color: var(--text-dim);
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
}
.segmented button.is-active { background: var(--gold); color: #221202; }

/* ---------------- Gameplay HUD ---------------- */
.hud {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: calc(10px + var(--safe-top)) 14px 10px;
  background: linear-gradient(180deg, rgba(7,11,16,0.95), rgba(7,11,16,0.55));
  flex-shrink: 0;
  z-index: 5;
}
.hud-block { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.hud-block--objective { flex: 1; overflow: hidden; }
.hud-label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-faint); }
.hud-value { font-family: var(--font-display); font-weight: 800; font-style: italic; font-size: 18px; color: var(--text); }
.hud-value--sm {
  font-size: 13px;
  font-weight: 600;
  font-style: normal;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.hud-pause { margin-left: auto; flex-shrink: 0; }

/* ---------------- Table area ---------------- */
.table-wrap {
  position: relative;
  flex: 1;
  width: 100%;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

#tableCanvas, #confettiCanvas {
  display: block;
}
#confettiCanvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.desktop-power {
  position: absolute;
  left: 20px;
  bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  padding: 8px 16px 8px 14px;
  backdrop-filter: blur(10px);
}
.power-caption { font-size: 11px; letter-spacing: 0.08em; color: var(--text-faint); font-weight: 700; }
.power-track {
  width: 160px;
  height: 10px;
  border-radius: 6px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
}
.power-fill {
  height: 100%;
  width: 0%;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--success), var(--gold) 60%, var(--danger));
  transition: width 0.05s linear;
}

/* ---------------- Mobile controls (visibility finalized in responsive.css) ---------------- */
.mobile-controls {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 10px 14px calc(12px + var(--safe-bottom));
  background: linear-gradient(0deg, rgba(7,11,16,0.97), rgba(7,11,16,0.7));
  flex-shrink: 0;
  z-index: 5;
}
.mc-btn {
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.07);
  color: var(--text);
  border-radius: var(--radius-sm);
  min-width: 48px;
  min-height: 48px;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  touch-action: none;
}
.mc-nudge { flex-shrink: 0; }
.mc-power { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 4px; }
.mc-power .power-track { width: 100%; }
.mc-shoot {
  flex-shrink: 0;
  min-width: 84px;
  background: linear-gradient(135deg, var(--gold-bright), var(--gold));
  color: #221202;
  font-weight: 800;
  letter-spacing: 0.05em;
}
.mc-shoot.is-ready { box-shadow: 0 0 0 3px rgba(232,163,61,0.35); }

/* ---------------- Overlays ---------------- */
.overlay {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(4,6,9,0.72);
  backdrop-filter: blur(6px);
  z-index: 20;
}
.overlay.visible { display: flex; }

.stars { font-size: 34px; letter-spacing: 8px; color: rgba(255,255,255,0.18); margin-bottom: 18px; }
.star--filled { color: var(--gold); text-shadow: 0 0 16px rgba(232,163,61,0.6); }

.result-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 24px;
}
.result-grid > div { display: flex; flex-direction: column; gap: 4px; }
.result-label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-faint); }
.result-value { font-family: var(--font-display); font-weight: 800; font-style: italic; font-size: 20px; }

/* ---------------- Toasts ---------------- */
.toast-container {
  position: absolute;
  top: calc(70px + var(--safe-top));
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 30;
  pointer-events: none;
}
.toast {
  background: rgba(15,20,26,0.92);
  border: 1px solid var(--panel-border);
  color: var(--text);
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.04em;
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  white-space: nowrap;
}
.toast--in { opacity: 1; transform: translateY(0); }
.toast--perfect { border-color: rgba(232,163,61,0.5); color: var(--gold-bright); }
.toast--combo { border-color: rgba(61,220,232,0.5); color: var(--cyan); }
.toast--warn { border-color: rgba(239,71,111,0.5); color: #ff9fb2; }