/* ==========================================================================
   Pen Flick — layout & UI styles (the game world itself is drawn on canvas)
   ========================================================================== */

:root {
  --text: #f4efe6;
  --muted: #b8b0a2;
  --panel: rgba(22, 20, 18, 0.92);
  --panel-border: rgba(255, 230, 190, 0.12);
  --accent: #f0b44c;
  --accent-dark: #c98a22;
  --player: #5c9bff;
  --ai: #ff6b6b;
  --font: 'Fredoka', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  color: var(--text);
  font-family: var(--font);
  background: radial-gradient(ellipse at center, #2b2722 0%, #0c0b0a 75%);
}

#app {
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* The stage is sized in JS (renderer.resize) to match the canvas exactly. */
#stage {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.65);
  user-select: none;
  -webkit-user-select: none;
}

#game {
  display: block;
  touch-action: none; /* we handle touch drags ourselves */
}

.hidden { display: none !important; }

/* ---------------------------- HUD ---------------------------------------- */

#hud {
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 7.5%;               /* = the floor margin above the desk */
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 14px;
  pointer-events: none;
  font-size: clamp(11px, 1.5vw, 16px);
}

.hud-side { display: flex; align-items: center; gap: 8px; white-space: nowrap; overflow: hidden; }
.hud-ai { justify-content: flex-end; }
.hud-side small { color: var(--muted); font-size: 0.82em; overflow: hidden; text-overflow: ellipsis; }
.hud-name { font-weight: 600; }
.dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.hud-player .dot { background: var(--player); box-shadow: 0 0 10px var(--player); }
.hud-ai .dot { background: var(--ai); box-shadow: 0 0 10px var(--ai); }

.turn-pill {
  padding: 4px 18px;
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: rgba(0, 0, 0, 0.55);
  border: 2px solid transparent;
  transition: border-color 0.25s, box-shadow 0.25s, color 0.25s;
  white-space: nowrap;
}
.turn-pill.player { border-color: var(--player); color: #d7e6ff; box-shadow: 0 0 18px rgba(92, 155, 255, 0.45); }
.turn-pill.ai     { border-color: var(--ai);     color: #ffdede; box-shadow: 0 0 18px rgba(255, 107, 107, 0.45); }
.turn-pill.over   { border-color: var(--accent); color: #ffe9c2; box-shadow: 0 0 18px rgba(240, 180, 76, 0.45); }

.footer {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 7.5%;               /* = the floor margin below the desk */
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 0 14px;
  pointer-events: none;
  font-size: clamp(10px, 1.3vw, 14px);
  color: var(--muted);
}
.turn-status { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.hud-btn {
  pointer-events: auto;
  font: inherit;
  font-weight: 600;
  color: var(--text);
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  padding: 3px 12px;
  cursor: pointer;
  flex: none;
}
.hud-btn:hover { background: rgba(255, 255, 255, 0.12); }

/* ------------------------- Turn banner ----------------------------------- */

.turn-banner {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: clamp(28px, 6.5vw, 76px);
  font-weight: 700;
  letter-spacing: 0.03em;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.7), 0 0 2px rgba(0, 0, 0, 0.9);
}
.turn-banner.player { color: #cfe1ff; }
.turn-banner.ai     { color: #ffd4d4; }
.turn-banner.show   { animation: banner 1.5s ease forwards; }

@keyframes banner {
  0%   { opacity: 0; transform: translate(-50%, -50%) scale(0.7); }
  14%  { opacity: 1; transform: translate(-50%, -50%) scale(1.06); }
  24%  { transform: translate(-50%, -50%) scale(1); }
  72%  { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -62%) scale(1); }
}

/* --------------------------- Overlays ------------------------------------ */

.overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  overflow-y: auto;
  background: rgba(6, 5, 4, 0.55);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  z-index: 10;
}

.panel {
  width: 100%;
  max-width: 940px;
  margin: auto;
  padding: 24px 28px 26px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
}
.panel.small { max-width: 480px; text-align: center; }

.title {
  margin: 0 0 4px;
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 700;
  letter-spacing: 0.01em;
}
.title span { color: var(--accent); font-weight: 600; margin-left: 6px; }

.greeting {
  margin: 0 0 2px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--player);
}

.lead { margin: 0 0 18px; color: var(--muted); line-height: 1.45; }
.muted { color: var(--muted); }

.panel h2 {
  margin: 18px 0 10px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #e9dcc4;
}

/* Pen cards */
.pen-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
@media (max-width: 760px) { .pen-cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .pen-cards { grid-template-columns: 1fr; } }

.pen-card {
  font: inherit;
  color: inherit;
  text-align: left;
  padding: 12px 14px 14px;
  border-radius: 14px;
  border: 2px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, #6e4627 0%, #4d2f19 100%);
  cursor: pointer;
  transition: transform 0.12s, border-color 0.15s, box-shadow 0.15s;
}
.pen-card:hover { transform: translateY(-2px); border-color: rgba(255, 220, 160, 0.35); }
.pen-card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(240, 180, 76, 0.25), 0 10px 26px rgba(0, 0, 0, 0.4);
}

.pen-preview {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 480 / 110;
  margin-bottom: 6px;
}

.pen-name { font-weight: 600; font-size: 17px; }
.pen-tag  { color: #e5d2b4; font-size: 13px; margin: 2px 0 10px; min-height: 2.6em; line-height: 1.3; }

.stat {
  display: grid;
  grid-template-columns: 92px 1fr;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: #f0e3cc;
  margin-top: 5px;
}
.stat .bar { height: 7px; border-radius: 4px; background: rgba(0, 0, 0, 0.35); overflow: hidden; }
.stat .bar i { display: block; height: 100%; border-radius: 4px; background: linear-gradient(90deg, #f6d28b, #f0b44c); }

/* Difficulty selector */
.diff-row { display: flex; gap: 10px; flex-wrap: wrap; }
.diff {
  flex: 1 1 120px;
  font: inherit;
  font-weight: 600;
  font-size: 16px;
  color: var(--text);
  padding: 10px 14px;
  border-radius: 12px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.diff:hover { background: rgba(255, 255, 255, 0.1); }
.diff.selected[data-diff="easy"]   { border-color: #2ecc71; background: rgba(46, 204, 113, 0.15); }
.diff.selected[data-diff="medium"] { border-color: #f1c40f; background: rgba(241, 196, 15, 0.15); }
.diff.selected[data-diff="hard"]   { border-color: #e74c3c; background: rgba(231, 76, 60, 0.15); }

.diff-desc { margin: 10px 2px 0; min-height: 2.8em; color: var(--muted); font-size: 14px; line-height: 1.4; }

.how {
  margin-top: 14px;
  padding: 10px 14px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}
.how b { color: var(--text); }

kbd {
  font-family: inherit;
  font-size: 0.85em;
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.08);
}

/* Buttons */
.btn-primary, .btn-secondary {
  font: inherit;
  font-weight: 600;
  font-size: 18px;
  padding: 12px 30px;
  border-radius: 12px;
  cursor: pointer;
  transition: transform 0.1s, filter 0.15s;
}
.btn-primary {
  display: block;
  margin: 20px auto 0;
  color: #2b1a05;
  border: none;
  background: linear-gradient(180deg, #ffd27a 0%, var(--accent) 55%, var(--accent-dark) 100%);
  box-shadow: 0 8px 22px rgba(240, 180, 76, 0.35);
}
.btn-secondary {
  color: var(--text);
  border: 2px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
}
.btn-primary:hover, .btn-secondary:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn-primary:active, .btn-secondary:active { transform: translateY(1px); }

.btn-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 18px; }
.btn-row .btn-primary { margin: 0; display: inline-block; }

.go-reason { font-size: 18px; margin: 8px 0 4px; }
#go-title.win  { color: #8ff0b5; }
#go-title.lose { color: #ff9a9a; }

@media (max-width: 560px) {
  .panel { padding: 18px 16px 20px; }
  .hud-side small { display: none; }
}