/* ============================================================
   Crystal Caverns — style.css
   Retro pixel look, menu system, HUD, touch controls.
   ============================================================ */

:root {
  --bg: #0a0a12;
  --panel: rgba(12, 14, 26, 0.92);
  --accent: #58d8ff;
  --accent2: #ffd95e;
  --crystal: #7df9e0;
  --danger: #ff5e6c;
  --text: #e8ecf4;
  --dim: #8a93ab;
  --font: "Courier New", "Lucida Console", monospace;
}

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

html, body {
  width: 100%; height: 100%;
  background: var(--bg);
  overflow: hidden;
  font-family: var(--font);
  color: var(--text);
  -webkit-user-select: none; user-select: none;
  touch-action: none;
}

#game-container { position: fixed; inset: 0; }

#game-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  background: #000;
}

/* Subtle CRT flavour */
#vignette {
  position: absolute; inset: 0; pointer-events: none; z-index: 3;
  background: radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,0.45) 100%);
}
#scanlines {
  position: absolute; inset: 0; pointer-events: none; z-index: 3; opacity: 0.12;
  background: repeating-linear-gradient(0deg, rgba(0,0,0,0.6) 0px, rgba(0,0,0,0.6) 1px, transparent 2px, transparent 4px);
}

.hidden { display: none !important; }

/* ============================ HUD ============================ */

#hud {
  position: absolute; top: 0; left: 0; right: 0; z-index: 5;
  padding: 8px 14px 10px;
  background: linear-gradient(180deg, rgba(5,6,12,0.85) 0%, rgba(5,6,12,0.55) 70%, transparent 100%);
  pointer-events: none;
  text-shadow: 2px 2px 0 rgba(0,0,0,0.8);
  letter-spacing: 1px;
}
.hud-row { display: flex; flex-wrap: wrap; gap: 4px 22px; font-size: 15px; }
.hud-row-small { margin-top: 2px; font-size: 11px; color: var(--dim); }
.hud-item b { color: var(--accent2); font-size: 1.05em; }
.hud-sub { color: var(--dim); font-size: 0.85em; }
.crystal-color { color: var(--crystal); }
.crystal-color b { color: var(--crystal); }

#debug-panel {
  position: absolute; top: 62px; left: 10px; z-index: 6;
  background: rgba(0,0,0,0.75); border: 1px solid #2a3350;
  padding: 8px 12px; font-size: 11px; line-height: 1.5;
  color: #9fe8a0; pointer-events: none; border-radius: 4px;
}

#toast {
  position: absolute; top: 20%; left: 50%; transform: translateX(-50%);
  /* Above #screens (10): toasts like the premium notice must show over menus. */
  z-index: 20; pointer-events: none;
  font-size: 26px; font-weight: bold; letter-spacing: 3px;
  color: var(--accent2); text-shadow: 0 0 18px rgba(255,217,94,0.8), 2px 2px 0 #000;
  animation: toast-pop 2s ease-out forwards;
  text-align: center; white-space: nowrap;
}
@keyframes toast-pop {
  0%   { opacity: 0; transform: translateX(-50%) scale(0.4); }
  15%  { opacity: 1; transform: translateX(-50%) scale(1.15); }
  25%  { transform: translateX(-50%) scale(1); }
  75%  { opacity: 1; }
  100% { opacity: 0; transform: translateX(-50%) translateY(-24px) scale(1); }
}

/* ============================ SCREENS ============================ */

#screens { position: absolute; inset: 0; z-index: 10; pointer-events: none; }

.screen {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 18px; padding: 24px;
  background: var(--panel);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity 0.28s ease, visibility 0.28s;
  overflow-y: auto;
}
.screen.active { opacity: 1; visibility: visible; pointer-events: auto; }
.screen.translucent { background: rgba(8, 9, 18, 0.82); backdrop-filter: blur(2px); }

.game-title {
  font-size: clamp(42px, 9vw, 84px);
  line-height: 0.95; text-align: center; letter-spacing: 6px;
  color: var(--crystal);
  text-shadow: 0 0 24px rgba(125,249,224,0.5), 4px 4px 0 #133, 8px 8px 0 rgba(0,0,0,0.5);
  animation: title-float 4s ease-in-out infinite;
}
@keyframes title-float {
  0%, 100% { transform: translateY(0); text-shadow: 0 0 18px rgba(125,249,224,0.35), 4px 4px 0 #133; }
  50% { transform: translateY(-6px); text-shadow: 0 0 34px rgba(125,249,224,0.7), 4px 4px 0 #133; }
}

.screen-title {
  font-size: clamp(28px, 6vw, 48px);
  letter-spacing: 8px; text-align: center; color: var(--text);
  text-shadow: 3px 3px 0 rgba(0,0,0,0.7);
}
.screen-title.glow { color: var(--accent2); text-shadow: 0 0 24px rgba(255,217,94,0.6), 3px 3px 0 #000; }
.screen-title.danger-glow { color: var(--danger); text-shadow: 0 0 24px rgba(255,94,108,0.6), 3px 3px 0 #000; }
.rainbow { animation: rainbow-shift 3s linear infinite; }
@keyframes rainbow-shift {
  0% { filter: hue-rotate(0deg); } 100% { filter: hue-rotate(360deg); }
}

.subtitle { color: var(--dim); letter-spacing: 4px; font-size: 15px; }
.footer-hint { color: var(--dim); font-size: 12px; letter-spacing: 1px; text-align: center; }

/* ============================ MENU / BUTTONS ============================ */

.menu { display: flex; flex-direction: column; gap: 12px; width: min(360px, 88vw); align-items: stretch; }

.menu-btn {
  font-family: var(--font); font-size: 17px; letter-spacing: 2px;
  padding: 13px 20px; cursor: pointer;
  color: var(--text);
  background: linear-gradient(180deg, #1a2138 0%, #12172a 100%);
  border: 2px solid #2c3a5e; border-radius: 6px;
  text-transform: uppercase;
  transition: transform 0.12s ease, border-color 0.12s ease, box-shadow 0.12s ease, background 0.12s;
  box-shadow: 0 4px 0 #0a0d18;
}
.menu-btn:hover, .menu-btn:focus-visible, .menu-btn.kb-focus {
  outline: none;
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 0 #0a0d18, 0 0 18px rgba(88,216,255,0.25);
}
.menu-btn:active { transform: translateY(2px); box-shadow: 0 1px 0 #0a0d18; }
.menu-btn.primary { border-color: var(--accent2); color: var(--accent2); }
.menu-btn.primary:hover, .menu-btn.primary.kb-focus { box-shadow: 0 6px 0 #0a0d18, 0 0 18px rgba(255,217,94,0.3); }
.menu-btn.back { font-size: 14px; opacity: 0.85; }
.menu-btn.danger { border-color: #6e2a35; color: var(--danger); }
.menu-btn.danger:hover { border-color: var(--danger); }

.field-label {
  display: flex; flex-direction: column; gap: 6px;
  font-size: 13px; letter-spacing: 3px; color: var(--dim);
}
input[type="text"] {
  font-family: var(--font); font-size: 18px; letter-spacing: 2px;
  padding: 10px 14px;
  background: #0c1020; color: var(--crystal);
  border: 2px solid #2c3a5e; border-radius: 6px;
  text-align: center;
}
input[type="text"]:focus { outline: none; border-color: var(--accent); }

.option-row { display: flex; flex-direction: column; gap: 8px; }
.option-group { display: flex; gap: 6px; flex-wrap: wrap; }
.opt-btn {
  flex: 1; min-width: 64px;
  font-family: var(--font); font-size: 13px; letter-spacing: 1px;
  padding: 9px 8px; cursor: pointer;
  color: var(--dim); background: #10152a;
  border: 2px solid #232d4a; border-radius: 5px;
  transition: all 0.12s ease;
}
.opt-btn:hover { border-color: var(--accent); color: var(--text); }
.opt-btn.selected {
  border-color: var(--accent2); color: var(--accent2);
  background: #1c1f30; box-shadow: 0 0 12px rgba(255,217,94,0.2);
}

input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 8px; border-radius: 4px;
  background: #1a2138; border: 1px solid #2c3a5e; cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--accent); border: 2px solid #0c1020;
  box-shadow: 0 0 10px rgba(88,216,255,0.5);
}
#volume-value { color: var(--accent); font-size: 14px; text-align: right; }

/* ============================ STATS ============================ */

.stats-list {
  display: grid; grid-template-columns: auto auto; gap: 8px 28px;
  font-size: 15px; letter-spacing: 1px;
  background: rgba(0,0,0,0.35); border: 1px solid #232d4a; border-radius: 8px;
  padding: 18px 26px; min-width: min(340px, 85vw);
}
.stats-list .stat-name { color: var(--dim); text-align: left; }
.stats-list .stat-value { color: var(--accent2); text-align: right; font-weight: bold; }

/* ============================ TOUCH CONTROLS ============================ */

#touch-controls {
  --touch-button-size: clamp(52px, 15vmin, 60px);
  --touch-control-gap: clamp(8px, 2vmin, 12px);
  position: absolute; inset: 0; z-index: 8; pointer-events: none;
}

#joystick-base {
  position: absolute;
  left: max(14px, calc(env(safe-area-inset-left) + 8px));
  bottom: max(18px, calc(env(safe-area-inset-bottom) + 12px));
  width: clamp(108px, 29vmin, 130px);
  height: clamp(108px, 29vmin, 130px);
  border-radius: 50%;
  background: rgba(30, 40, 70, 0.35);
  border: 2px solid rgba(88,216,255,0.35);
  pointer-events: auto;
}
#joystick-knob {
  position: absolute; left: 50%; top: 50%;
  width: clamp(48px, 13vmin, 56px);
  height: clamp(48px, 13vmin, 56px);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: rgba(88,216,255,0.45);
  border: 2px solid rgba(88,216,255,0.8);
  box-shadow: 0 0 14px rgba(88,216,255,0.4);
}

#touch-buttons {
  position: absolute;
  right: max(12px, calc(env(safe-area-inset-right) + 8px));
  bottom: max(14px, calc(env(safe-area-inset-bottom) + 8px));
  display: grid;
  grid-template-columns: repeat(2, var(--touch-button-size));
  grid-auto-rows: var(--touch-button-size);
  gap: var(--touch-control-gap);
  pointer-events: none;
}
#touch-buttons .touch-btn:last-child {
  grid-column: 1 / -1;
  justify-self: center;
}
.touch-btn {
  width: var(--touch-button-size); height: var(--touch-button-size); border-radius: 50%;
  font-family: var(--font); font-size: 20px; font-weight: bold;
  color: var(--accent2);
  background: rgba(50, 42, 20, 0.45);
  border: 2px solid rgba(255,217,94,0.5);
  cursor: pointer; pointer-events: auto;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.touch-btn:active, .touch-btn.active { background: rgba(255,217,94,0.35); }

@media (orientation: landscape) and (max-height: 420px) {
  #touch-controls {
    --touch-button-size: clamp(50px, 14.5vh, 58px);
    --touch-control-gap: clamp(6px, 1.8vh, 8px);
  }
}

@media (max-width: 640px) {
  .hud-row { font-size: 12px; gap: 3px 12px; }
  .hud-row-small { font-size: 9px; }
  .stats-list { font-size: 13px; padding: 12px 16px; }
}

/* ---- Level editor ---- */
#editor-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  background: rgba(10, 8, 16, 0.92);
  border-top: 1px solid rgba(125, 249, 224, 0.25);
  padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
  display: flex; flex-direction: column; gap: 8px;
}
#editor-bar.hidden { display: none; }
#editor-palette { display: flex; flex-wrap: wrap; gap: 4px; }
.editor-tool {
  width: 40px; height: 40px; padding: 2px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--text);
}
.editor-tool canvas { width: 32px; height: 32px; image-rendering: pixelated; }
.editor-tool.selected { border-color: var(--crystal); background: rgba(125, 249, 224, 0.12); }
.editor-tool.wide { width: auto; padding: 2px 12px; font-family: inherit; font-size: 13px; }
.editor-controls { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.editor-controls input {
  flex: 1; min-width: 140px; background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18); border-radius: 6px;
  color: var(--text); padding: 7px 10px; font-family: inherit; font-size: 13px;
}
.editor-btn {
  background: rgba(125, 249, 224, 0.1);
  border: 1px solid rgba(125, 249, 224, 0.4);
  color: var(--crystal); border-radius: 6px;
  padding: 7px 14px; cursor: pointer;
  font-family: inherit; font-size: 13px; letter-spacing: 1px;
}
.editor-btn:hover { background: rgba(125, 249, 224, 0.2); }
#editor-level-list { display: grid; gap: 6px; margin: 10px 0; max-height: 220px; overflow-y: auto; }
.editor-level-row { display: flex; gap: 6px; align-items: center; }
.editor-level-name { flex: 1; font-size: 13px; color: var(--text); text-align: left; }
.opt-btn.danger { border-color: rgba(255, 94, 60, 0.5); color: #ff5e3c; }
#community-list { display: grid; gap: 6px; margin: 10px 0; max-height: 300px; overflow-y: auto; }