/* ============================================================
   Minecraft JS — UI styling (Minecraft-flavored chrome)
   ============================================================ */

:root {
  --pixel-font: 'VT323', 'Courier New', monospace;
  --logo-font: 'Press Start 2P', 'VT323', monospace;
}

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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #000;
  font-family: var(--pixel-font);
  user-select: none;
  -webkit-user-select: none;
}

#game {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.hidden { display: none !important; }

/* ======================= overlays ======================= */

.overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
}

#pause-menu, #options-menu, #controls-menu {
  background: rgba(16, 16, 16, 0.62);
  backdrop-filter: blur(1px);
}

#title-screen { background: transparent; pointer-events: auto; }

/* ======================= MC buttons ======================= */

.mc-button {
  font-family: var(--pixel-font);
  font-size: 22px;
  letter-spacing: 1px;
  color: #fff;
  text-shadow: 2px 2px 0 #3f3f3f;
  background: linear-gradient(#828282, #6a6a6a 45%, #5a5a5a);
  border: 2px solid #000;
  box-shadow: inset 2px 2px 0 rgba(255,255,255,0.45), inset -2px -2px 0 rgba(0,0,0,0.45);
  padding: 8px 18px;
  min-width: 300px;
  cursor: pointer;
  image-rendering: pixelated;
}
.mc-button:hover {
  background: linear-gradient(#8f9ad1, #707bb4 45%, #5e69a3);
  border-color: #fff;
}
.mc-button:active { transform: translateY(1px); }
.mc-button.small { min-width: 0; font-size: 18px; padding: 6px 12px; }
.mc-button.toggle { min-width: 230px; }

/* ======================= title screen ======================= */

.title-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  width: 100%;
}

.mc-logo {
  font-family: var(--logo-font);
  font-size: clamp(38px, 8vw, 84px);
  color: #d8d8d8;
  letter-spacing: 4px;
  text-shadow:
    3px 3px 0 #3a3a3a,
    6px 6px 0 rgba(0,0,0,0.55);
  -webkit-text-stroke: 2px #1f1f1f;
  filter: drop-shadow(0 4px 0 rgba(0,0,0,0.3));
}

.mc-sublogo {
  font-family: var(--pixel-font);
  font-size: 24px;
  color: #ffce3d;
  text-shadow: 2px 2px 0 #3e2e00;
  margin-top: -10px;
  letter-spacing: 6px;
}

.splash {
  position: relative;
  color: #ffff00;
  font-size: 26px;
  text-shadow: 2px 2px 0 #3f3f00;
  transform: rotate(-12deg);
  animation: splash-pulse 0.9s ease-in-out infinite;
  margin-top: -28px;
  margin-left: 280px;
  pointer-events: none;
}
@keyframes splash-pulse {
  0%, 100% { scale: 1; }
  50% { scale: 1.08; }
}

.menu-buttons {
  margin-top: 26px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.seed-row { display: flex; gap: 8px; }

#seed-input {
  font-family: var(--pixel-font);
  font-size: 18px;
  width: 190px;
  background: #000;
  color: #e0e0e0;
  border: 2px solid #a0a0a0;
  padding: 6px 8px;
  outline: none;
}
#seed-input:focus { border-color: #fff; }

.title-footer {
  position: fixed;
  bottom: 8px;
  left: 10px;
  right: 10px;
  display: flex;
  justify-content: space-between;
  color: #fff;
  font-size: 18px;
  text-shadow: 2px 2px 0 #3f3f3f;
  pointer-events: none;
}

/* ======================= menus ======================= */

.menu-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.menu-stack.wide { width: min(560px, 92vw); }

.menu-title {
  font-size: 30px;
  color: #fff;
  text-shadow: 2px 2px 0 #3f3f3f;
  margin-bottom: 12px;
}

.opt-row {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 2px;
  color: #e8e8e8;
  font-size: 20px;
  text-shadow: 1px 1px 0 #303030;
}
.opt-row input[type="range"] {
  width: 100%;
  accent-color: #7fbf4f;
  cursor: pointer;
}
.opt-row.checks {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin: 8px 0;
}

.controls-grid {
  display: grid;
  grid-template-columns: auto auto;
  gap: 4px 28px;
  color: #e8e8e8;
  font-size: 20px;
  text-shadow: 1px 1px 0 #303030;
  background: rgba(0,0,0,0.35);
  border: 2px solid #555;
  padding: 14px 20px;
}
.controls-grid span:nth-child(odd) { color: #a8d08f; }
.controls-note { color: #ffd75e; font-size: 18px; text-shadow: 1px 1px 0 #303030; }

/* ======================= loading ======================= */

#loading-screen { background: #2c2156; background: linear-gradient(#1c1633, #3a2d6b); }

.loading-stack { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.loading-text { color: #fff; font-size: 28px; text-shadow: 2px 2px 0 #1a1a1a; }
.loading-bar {
  width: min(420px, 80vw);
  height: 12px;
  border: 2px solid #fff;
  background: #000;
  padding: 2px;
}
#loading-fill { height: 100%; width: 0%; background: #6ec24a; transition: width 0.15s linear; }
.loading-tip { color: #b9b9d8; font-size: 20px; }

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

#hud { position: fixed; inset: 0; pointer-events: none; z-index: 10; }

#crosshair {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 22px;
  height: 22px;
  transform: translate(-50%, -50%);
  mix-blend-mode: difference;
}
#crosshair::before, #crosshair::after {
  content: '';
  position: absolute;
  background: #ddd;
}
#crosshair::before { left: 50%; top: 0; width: 2px; height: 100%; transform: translateX(-50%); }
#crosshair::after { top: 50%; left: 0; height: 2px; width: 100%; transform: translateY(-50%); }

/* --------- hotbar --------- */

#hotbar {
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  background: rgba(12, 12, 12, 0.55);
  border: 2px solid rgba(0, 0, 0, 0.8);
  outline: 2px solid rgba(255, 255, 255, 0.25);
}

.hotbar-slot {
  width: 54px;
  height: 54px;
  border: 2px solid rgba(255,255,255,0.18);
  border-right-width: 1px;
  border-left-width: 1px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.hotbar-slot img { width: 44px; height: 44px; image-rendering: auto; }
.hotbar-slot .slot-num {
  position: absolute;
  top: 1px;
  left: 3px;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  text-shadow: 1px 1px 0 #000;
}
.hotbar-slot.selected {
  border: 3px solid #fff;
  outline: 2px solid #999;
  z-index: 2;
}

#item-name {
  position: absolute;
  bottom: 76px;
  left: 50%;
  transform: translateX(-50%);
  color: #fff;
  font-size: 24px;
  text-shadow: 2px 2px 0 rgba(0,0,0,0.7);
  opacity: 0;
  transition: opacity 0.4s ease;
}

/* --------- debug (F3) --------- */

#debug {
  position: absolute;
  top: 6px;
  left: 6px;
  color: #fff;
  font-size: 17px;
  line-height: 1.25;
  text-shadow: 1px 1px 0 #000;
  background: rgba(16,16,16,0.35);
  padding: 6px 10px;
  white-space: pre;
}

/* --------- water / effects --------- */

#underwater-overlay {
  position: absolute;
  inset: 0;
  background: rgba(20, 60, 160, 0.28);
  opacity: 0;
  transition: opacity 0.2s;
}

#damage-vignette {
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 120px rgba(255, 40, 20, 0.85);
  opacity: 0;
  transition: opacity 0.1s;
}

/* ======================= picker ======================= */

#picker { background: rgba(16, 16, 16, 0.55); pointer-events: auto; }

.picker-window {
  background: #c6c6c6;
  border: 3px solid #000;
  box-shadow:
    inset 3px 3px 0 #ffffff,
    inset -3px -3px 0 #555555,
    0 10px 30px rgba(0,0,0,0.5);
  padding: 14px 16px;
  max-width: min(640px, 94vw);
}

.picker-title {
  font-size: 22px;
  color: #3f3f3f;
  margin-bottom: 10px;
}
.picker-hint { font-size: 16px; color: #6e6e6e; }

#picker-grid {
  display: grid;
  grid-template-columns: repeat(9, 52px);
  gap: 4px;
  max-height: 52vh;
  overflow-y: auto;
  padding: 6px;
  background: #8b8b8b;
  border: 2px solid #373737;
  box-shadow: inset 2px 2px 0 #313131, inset -2px -2px 0 #ffffff;
}

.picker-cell {
  width: 52px;
  height: 52px;
  background: #8b8b8b;
  border: 1px solid #6f6f6f;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
}
.picker-cell:hover { background: #a8a8c0; }
.picker-cell img { width: 42px; height: 42px; }

.picker-hotbar {
  margin-top: 12px;
  display: flex;
  justify-content: center;
  gap: 4px;
}
.picker-hotbar .hotbar-slot {
  background: #8b8b8b;
  border: 2px solid #373737;
  cursor: pointer;
}
.picker-hotbar .hotbar-slot.selected { border-color: #fff; background: #a8a8c0; }

/* tooltip */
.picker-cell::after {
  content: attr(data-name);
  position: absolute;
  bottom: 105%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(16, 0, 32, 0.92);
  border: 1px solid #4a2a7a;
  color: #fff;
  font-size: 17px;
  padding: 2px 8px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  z-index: 5;
}
.picker-cell:hover::after { opacity: 1; }

/* scrollbars */
#picker-grid::-webkit-scrollbar { width: 12px; }
#picker-grid::-webkit-scrollbar-track { background: #6f6f6f; }
#picker-grid::-webkit-scrollbar-thumb { background: #c6c6c6; border: 2px solid #373737; }