:root {
  --bg-liminal: #c5b358;
  --term-green: #39ff14;
  --term-amber: #ffb000;
  --term-cyan: #00f0ff;
  --term-red: #ff3344;
  --hud-bg: rgba(12, 16, 12, 0.85);
  --hud-border: rgba(255, 176, 0, 0.4);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: #040404;
  font-family: 'Share Tech Mono', monospace;
  color: #eaeaea;
}

#canvas-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

/* Liminal CRT / VHS Scanline & Vignette Overlay */
.vhs-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 5;
  pointer-events: none;
  background: radial-gradient(circle at center, transparent 52%, rgba(0, 0, 0, 0.8) 100%);
  box-shadow: inset 0 0 120px rgba(0, 0, 0, 0.88);
}

.vhs-overlay::before {
  content: " ";
  position: absolute;
  top: 0; left: 0; bottom: 0; right: 0;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.28) 50%), 
              linear-gradient(90deg, rgba(255, 0, 0, 0.03), rgba(0, 255, 0, 0.01), rgba(0, 0, 255, 0.03));
  background-size: 100% 3px, 6px 100%;
  opacity: 0.65;
}

/* Screen Flash Feedback */
#screen-flash {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 8;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease-out;
}

/* Crosshair & Interaction Reticle */
#crosshair-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

#crosshair {
  width: 16px;
  height: 16px;
  position: relative;
  transition: transform 0.08s ease-out;
}

#crosshair::before, #crosshair::after {
  content: '';
  position: absolute;
  background-color: var(--term-amber);
  box-shadow: 0 0 6px var(--term-amber);
}

#crosshair::before {
  top: 7px;
  left: 0;
  width: 16px;
  height: 2px;
}

#crosshair::after {
  top: 0;
  left: 7px;
  width: 2px;
  height: 16px;
}

#crosshair.mining {
  transform: scale(1.6) rotate(45deg);
}

#crosshair.mining::before, #crosshair.mining::after {
  background-color: var(--term-red);
  box-shadow: 0 0 10px var(--term-red);
}

#target-info {
  background: var(--hud-bg);
  border: 1px solid var(--hud-border);
  padding: 4px 12px;
  border-radius: 3px;
  font-size: 11px;
  letter-spacing: 1px;
  color: #ffde7a;
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  text-transform: uppercase;
  box-shadow: 0 2px 10px rgba(0,0,0,0.7);
  backdrop-filter: blur(5px);
}

#target-hp-bar {
  width: 120px;
  height: 5px;
  background: #252219;
  border-radius: 2px;
  overflow: hidden;
  border: 1px solid rgba(255,176,0,0.3);
}

#target-hp-fill {
  width: 100%;
  height: 100%;
  background: var(--term-amber);
  transition: width 0.05s linear;
}

/* General HUD Positioning */
.hud-layer {
  position: absolute;
  z-index: 10;
  pointer-events: none;
}

/* Top Bar: XP, Biome & System Telemetry */
#top-bar {
  top: 16px;
  left: 20px;
  right: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.status-badge {
  background: var(--hud-bg);
  border: 1px solid var(--hud-border);
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.75);
  backdrop-filter: blur(6px);
}

.level-indicator {
  color: var(--term-amber);
  font-weight: bold;
  font-size: 15px;
  letter-spacing: 1.5px;
}

#xp-container {
  width: 260px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.xp-label {
  font-size: 10px;
  color: #aaa;
  display: flex;
  justify-content: space-between;
}

.xp-track {
  width: 100%;
  height: 6px;
  background: #1a1a1a;
  border: 1px solid rgba(255,176,0,0.4);
  border-radius: 3px;
  overflow: hidden;
}

#xp-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--term-amber), var(--term-green));
  box-shadow: 0 0 8px var(--term-amber);
  transition: width 0.25s cubic-bezier(0.1, 0.9, 0.2, 1);
}

#zone-info {
  color: #99c2ff;
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

#coord-info {
  color: #888;
  font-size: 10px;
  letter-spacing: 1px;
}

/* Inventory Panel (Bottom-Left) */
#inventory-panel {
  bottom: 22px;
  left: 20px;
  background: var(--hud-bg);
  border: 1px solid var(--hud-border);
  border-radius: 4px;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 250px;
  backdrop-filter: blur(6px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.85);
}

.panel-header {
  font-size: 11px;
  letter-spacing: 1.5px;
  color: var(--term-amber);
  border-bottom: 1px solid rgba(255,176,0,0.25);
  padding-bottom: 4px;
  margin-bottom: 2px;
  display: flex;
  justify-content: space-between;
}

.res-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: #ddd;
}

.res-name {
  display: flex;
  align-items: center;
  gap: 7px;
}

.res-val {
  font-weight: bold;
  color: #fff;
}

/* Crafting Workbench (Bottom-Right) */
#crafting-panel {
  bottom: 22px;
  right: 20px;
  background: var(--hud-bg);
  border: 1px solid var(--hud-border);
  border-radius: 4px;
  padding: 10px 14px;
  width: 320px;
  backdrop-filter: blur(6px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.85);
  pointer-events: auto;
}

.recipe-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 6px;
}

.recipe-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  padding: 6px 8px;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.recipe-card:hover {
  background: rgba(255, 176, 0, 0.15);
  border-color: var(--term-amber);
  transform: translateX(-2px);
}

.recipe-card.disabled {
  opacity: 0.45;
  cursor: not-allowed;
  border-color: rgba(255,255,255,0.05);
}
.recipe-card.disabled:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255,255,255,0.05);
  transform: none;
}

.recipe-top {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: #ffde7a;
  font-weight: bold;
}

.recipe-cost {
  font-size: 10px;
  color: #aaa;
}

.recipe-desc {
  font-size: 10px;
  color: #88c0d0;
}

/* Active Perks Dock (Bottom Center) */
#perks-dock {
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  pointer-events: none;
}

.perk-pill {
  background: rgba(10, 15, 12, 0.92);
  border: 1px solid var(--term-cyan);
  box-shadow: 0 0 6px rgba(0, 240, 255, 0.3);
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 11px;
  color: var(--term-cyan);
  display: flex;
  align-items: center;
  gap: 5px;
}

/* Notification Feed */
#notification-feed {
  position: absolute;
  top: 80px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 15;
  pointer-events: none;
}

.notif-msg {
  background: rgba(14, 18, 12, 0.9);
  border-left: 3px solid var(--term-green);
  padding: 5px 12px;
  font-size: 12px;
  color: #e0ffd0;
  border-radius: 0 3px 3px 0;
  animation: fadeSlideIn 0.3s ease-out forwards;
  box-shadow: 0 2px 8px rgba(0,0,0,0.6);
}

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Controls Banner */
#controls-banner {
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 1px;
  pointer-events: none;
  z-index: 6;
  white-space: nowrap;
}

/* Welcome / PointerLock Screen */
#start-screen {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, #242010 0%, #0d0c07 80%, #000 100%);
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #ffde7a;
  text-align: center;
  gap: 18px;
}

#start-screen h1 {
  font-family: 'VT323', monospace;
  font-size: 64px;
  color: #ffe682;
  text-shadow: 0 0 16px rgba(255, 215, 0, 0.7), 0 0 35px rgba(255, 176, 0, 0.4);
  letter-spacing: 4px;
}

#start-screen p {
  max-width: 600px;
  line-height: 1.6;
  font-size: 14px;
  color: #d1c8a5;
}

.pulse-btn {
  margin-top: 14px;
  padding: 12px 28px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 15px;
  background: rgba(255, 176, 0, 0.15);
  border: 1px solid var(--term-amber);
  color: #fff;
  border-radius: 4px;
  cursor: pointer;
  box-shadow: 0 0 15px rgba(255, 176, 0, 0.3);
  animation: btnPulse 2s infinite;
  letter-spacing: 2px;
}

@keyframes btnPulse {
  0%, 100% { box-shadow: 0 0 15px rgba(255, 176, 0, 0.3); transform: scale(1); }
  50% { box-shadow: 0 0 25px rgba(255, 176, 0, 0.6); transform: scale(1.03); }
}

/* Roguelite 3-Card Draft Modal */
#levelup-modal {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(4, 6, 4, 0.9);
  backdrop-filter: blur(8px);
  z-index: 60;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
}

#levelup-modal.visible {
  display: flex;
}

.modal-header {
  text-align: center;
}

.modal-title {
  font-family: 'VT323', monospace;
  font-size: 54px;
  color: var(--term-amber);
  text-shadow: 0 0 16px rgba(255, 176, 0, 0.8);
  letter-spacing: 3px;
}

.modal-subtitle {
  font-size: 14px;
  color: #88c0d0;
  letter-spacing: 1px;
}

.card-deck {
  display: flex;
  gap: 24px;
  max-width: 960px;
}

.draft-card {
  background: rgba(18, 22, 17, 0.95);
  border: 2px solid rgba(255, 176, 0, 0.4);
  border-radius: 8px;
  width: 275px;
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0,0,0,0.85);
}

.draft-card:hover {
  transform: translateY(-8px) scale(1.03);
  border-color: var(--term-cyan);
  box-shadow: 0 12px 35px rgba(0, 240, 255, 0.35);
}

.draft-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 4px;
  background: var(--term-amber);
}

.draft-card.rare::before { background: var(--term-cyan); }
.draft-card.glitched::before { background: var(--term-red); }

.card-cat {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #888;
}

.card-name {
  font-size: 18px;
  font-weight: bold;
  color: #ffde7a;
  line-height: 1.2;
}

.draft-card.rare .card-name { color: var(--term-cyan); }
.draft-card.glitched .card-name { color: #ff6575; }

.card-description {
  font-size: 12px;
  color: #cfd8dc;
  line-height: 1.5;
  flex-grow: 1;
}

.card-rarity {
  font-size: 10px;
  letter-spacing: 1px;
  text-align: right;
  color: var(--term-amber);
  font-weight: bold;
}

.draft-card.rare .card-rarity { color: var(--term-cyan); }
.draft-card.glitched .card-rarity { color: var(--term-red); }