:root {
  --bg-900: #0a0908;
  --bg-850: #12100e;
  --stone-800: #1b1a18;
  --stone-700: #272421;
  --stone-600: #35312c;
  --stone-500: #4a443d;
  --earth-500: #4b392a;
  --earth-400: #5b4634;
  --accent: #a26e40;
  --moss-500: #47523b;
  --moss-400: #5b6a4c;
  --danger-500: #4f1e1c;
  --text-100: #f2ede3;
  --text-200: #d5cdc0;
  --text-300: #b2a899;
  --edge: rgba(255, 255, 255, 0.06);
  --edge-strong: rgba(255, 255, 255, 0.12);
  --shadow: rgba(0, 0, 0, 0.55);
  --radius: 8px;
  --radius-sm: 6px;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: "Source Sans 3", "Segoe UI", Arial, sans-serif;
  background: var(--bg-900);
  color: var(--text-100);
  opacity: 0;
  transition: opacity 600ms ease;
}

body.is-ready {
  opacity: 1;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(67, 64, 58, 0.4), transparent 55%),
    radial-gradient(circle at 80% 0%, rgba(52, 50, 46, 0.5), transparent 40%),
    linear-gradient(120deg, rgba(18, 16, 14, 0.9), rgba(10, 9, 8, 0.95)),
    repeating-linear-gradient(60deg, rgba(255, 255, 255, 0.02) 0 1px, transparent 1px 6px);
  pointer-events: none;
  z-index: -1;
}

#app {
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

.screen {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  transition: opacity 500ms ease;
  overflow-y: auto;
}

.splash {
  text-align: center;
}

.splash-inner {
  width: 1000px;
  max-width: 100%;
  padding: 32px 24px 40px;
  background: linear-gradient(140deg, rgba(26, 24, 22, 0.9), rgba(12, 11, 10, 0.92));
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  box-shadow: 0 30px 60px var(--shadow);
}

.title {
  font-family: "IM Fell English SC", serif;
  font-size: clamp(4rem, 7vw, 8rem);
  margin: 0 0 12px;
  letter-spacing: 0.04em;
}

.subtitle {
  color: var(--text-200);
  margin: 0 auto 28px;
  max-width: 520px;
  font-size: 1.05rem;
}

.splash .btn {
  font-family: "IM Fell English SC", serif;
  letter-spacing: 0.04em;
  font-size: 1.5rem;
}

.btn {
  border-radius: var(--radius-sm);
  border: 1px solid var(--edge-strong);
  background: var(--stone-700);
  color: var(--text-100);
  padding: 10px 20px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 150ms ease, background 150ms ease, border 150ms ease;
}

.btn:hover {
  background: var(--stone-600);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(160deg, var(--earth-500), var(--stone-700));
}

.btn-primary:hover {
  background: linear-gradient(160deg, var(--earth-400), var(--stone-600));
}

.btn-ghost {
  background: transparent;
}

body.game-active #splash {
  opacity: 0;
  pointer-events: none;
}

#splash-config {
  opacity: 0;
  pointer-events: none;
}

body.config-active #splash {
  opacity: 0;
  pointer-events: none;
}

body.config-active #splash-config {
  opacity: 1;
  pointer-events: auto;
}

body.game-active #splash-config {
  opacity: 0;
  pointer-events: none;
}

#game {
  opacity: 0;
  pointer-events: none;
}

body.game-active #game {
  opacity: 1;
  pointer-events: auto;
}

.splash-config .splash-inner {
  text-align: left;
}

.splash-config .title {
  text-align: center;
}

.splash-config .subtitle {
  text-align: center;
}

.config-block {
  margin: 28px 0;
}

.config-block h3 {
  margin: 0 0 14px;
  font-size: 1.1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-200);
}

.config-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.select-card {
  border: 1px solid var(--edge);
  background: rgba(18, 16, 14, 0.85);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  text-align: left;
  color: var(--text-100);
  display: grid;
  gap: 6px;
  font-size: 0.95rem;
  transition: border 150ms ease, transform 150ms ease, background 150ms ease;
}

.select-card strong {
  font-size: 1.15rem;
  letter-spacing: 0.03em;
}

.select-card span {
  color: var(--text-300);
  font-size: 0.85rem;
}

.select-card:hover {
  border-color: var(--edge-strong);
  transform: translateY(-2px);
}

.select-card.is-selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(162, 110, 64, 0.5);
  background: rgba(31, 27, 22, 0.95);
}

.config-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
}

.game {
  align-items: stretch;
}

.game-shell {
  width: min(1280px, 100%);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.game-topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  border: 1px solid var(--edge);
  background: rgba(20, 18, 16, 0.85);
  border-radius: var(--radius);
  box-shadow: 0 18px 30px var(--shadow);
}

.crest {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--stone-600), var(--stone-800));
  display: grid;
  place-items: center;
  font-family: "IM Fell English SC", serif;
  font-size: 1.4rem;
  border: 1px solid var(--edge);
}

.game-title-block h2 {
  margin: 0;
  font-family: "IM Fell English SC", serif;
  font-size: 1.5rem;
}

.game-title-block p {
  margin: 4px 0 0;
  font-size: 0.9rem;
  color: var(--text-300);
}

.topbar-actions {
  margin-left: auto;
}

.game-layout {
  display: grid;
  grid-template-columns: minmax(220px, 260px) minmax(0, 900px) minmax(180px, 260px);
  gap: 24px;
  align-items: start;
}

.dashboard,
.controls-zone {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.panel {
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--edge);
  background: linear-gradient(180deg, rgba(28, 25, 22, 0.9), rgba(18, 16, 14, 0.95));
  box-shadow: inset 0 0 18px rgba(0, 0, 0, 0.35);
}

.panel h3 {
  margin: 0 0 12px;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-300);
}

.health-bar {
  height: 14px;
  background: var(--stone-600);
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--edge);
}

.health-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--danger-500), #2a1110);
}

.health-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--text-200);
}

.timers,
.events {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
  color: var(--text-200);
  font-size: 0.9rem;
}

.timers li,
.events li {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 6px;
}

.inventory-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.slot {
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--edge);
  background: var(--stone-700);
}

.inventory-item {
  margin-top: 12px;
  display: flex;
  justify-content: space-between;
  color: var(--text-200);
  font-size: 0.9rem;
}

.mask-card {
  display: flex;
  gap: 12px;
  align-items: center;
}

.mask-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, var(--earth-500), var(--stone-700));
  border: 1px solid var(--edge);
  font-size: 0.75rem;
}

.muted {
  color: var(--text-300);
  font-size: 0.85rem;
}

.counters {
  display: grid;
  gap: 8px;
}

.counters div {
  display: flex;
  justify-content: space-between;
  color: var(--text-200);
}

.counters strong {
  font-weight: 600;
  color: var(--text-100);
}

.game-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.maze-frame {
  width: 100%;
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--edge);
  background: linear-gradient(140deg, rgba(42, 38, 34, 0.9), rgba(20, 18, 16, 0.95));
  box-shadow: inset 0 0 24px rgba(0, 0, 0, 0.5);
}

.maze-canvas-wrap {
  position: relative;
}

#game-canvas {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-sm);
  background:
    linear-gradient(135deg, rgba(18, 16, 14, 0.95), rgba(8, 7, 6, 0.95)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 22px),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 22px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  aspect-ratio: 1 / 1;
}

.maze-caption {
  font-size: 0.85rem;
  color: var(--text-300);
}

.controls-zone {
  position: relative;
  min-height: 320px;
}

.controls-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--edge);
  background: rgba(18, 16, 14, 0.86);
  backdrop-filter: blur(6px);
  box-shadow: 0 20px 40px var(--shadow);
  transform: translateX(110%);
  opacity: 0;
  pointer-events: none;
  transition: transform 220ms ease, opacity 220ms ease;
}

body.controls-open .controls-panel {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}

.controls-panel header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.controls-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
  color: var(--text-200);
}

.controls-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.keycap {
  display: inline-block;
  min-width: 48px;
  text-align: center;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--edge);
  background: var(--stone-700);
  color: var(--text-100);
  font-size: 0.85rem;
}

.controls-note {
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--text-300);
}

.overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 4, 3, 0.65);
  backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease;
  z-index: 10;
}

.overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.loading-window {
  background: linear-gradient(150deg, rgba(35, 32, 29, 0.96), rgba(16, 15, 13, 0.98));
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  padding: 20px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  box-shadow: 0 20px 40px var(--shadow);
}

.spinner {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.15);
  border-top-color: var(--text-200);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.tutorial-overlay {
  z-index: 12;
}

.pause-overlay {
  z-index: 13;
}

.end-overlay {
  z-index: 14;
}

.pause-card {
  background: linear-gradient(160deg, rgba(34, 31, 28, 0.97), rgba(18, 16, 14, 0.98));
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  padding: 28px 32px 24px;
  text-align: center;
  box-shadow: 0 18px 40px var(--shadow);
  min-width: 280px;
}

.pause-card h2 {
  margin: 0 0 16px;
  font-family: "IM Fell English SC", serif;
  font-size: 2rem;
  letter-spacing: 0.1em;
}

.pause-actions {
  display: grid;
  gap: 10px;
}

.end-card {
  background: linear-gradient(160deg, rgba(34, 31, 28, 0.97), rgba(18, 16, 14, 0.98));
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  padding: 28px 32px 24px;
  text-align: center;
  box-shadow: 0 18px 40px var(--shadow);
  min-width: 280px;
}

.end-card h2 {
  margin: 0 0 8px;
  font-family: "IM Fell English SC", serif;
  font-size: 2rem;
  letter-spacing: 0.1em;
}

.end-card p {
  margin: 0 0 16px;
  color: var(--text-200);
}

.tutorial-bubble {
  position: absolute;
  max-width: 280px;
  background: linear-gradient(160deg, rgba(34, 31, 28, 0.97), rgba(18, 16, 14, 0.98));
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  padding: 14px 16px 12px;
  color: var(--text-100);
  box-shadow: 0 16px 36px var(--shadow);
}

.tutorial-bubble::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  background: inherit;
  border-left: 1px solid var(--edge);
  border-top: 1px solid var(--edge);
  transform: rotate(45deg);
  left: calc(var(--arrow-left, 50%) - 7px);
}

.tutorial-bubble[data-arrow="down"]::after {
  top: -7px;
}

.tutorial-bubble[data-arrow="up"]::after {
  bottom: -7px;
}

.tutorial-actions {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 12px;
}

.tutorial-actions .btn {
  flex: 1;
}

@media (max-width: 1100px) {
  .game-layout {
    grid-template-columns: minmax(200px, 240px) minmax(0, 1fr) minmax(160px, 220px);
  }
}

@media (max-width: 900px) {
  .game-shell {
    padding-bottom: 40px;
  }

  .game-layout {
    grid-template-columns: 1fr;
  }

  .dashboard {
    order: 2;
  }

  .controls-zone {
    order: 3;
    min-height: 0;
  }
}