:root {
  --bg: #07080d;
  --bg-2: #0d1020;
  --grid: #1a1f3a;
  --ink: #c9d6ff;
  --ink-dim: #6b78a8;
  --accent: #8a7dff;
  --accent-2: #5ad7ff;
  --warn: #ff7da8;
  --good: #7dffb6;
  --gold: #ffd97d;
  --wall: #2a2f55;
  --wall-edge: #3d4480;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background:
    radial-gradient(ellipse at 50% 0%, #1a1230 0%, transparent 60%),
    radial-gradient(ellipse at 50% 100%, #0a1a2a 0%, transparent 70%),
    var(--bg);
  color: var(--ink);
  font-family: "JetBrains Mono", "Fira Code", "Consolas", monospace;
  overflow: hidden;
}

body::before {
  content: "";
  position: fixed; inset: 0;
  background-image: radial-gradient(circle at 20% 30%, rgba(138,125,255,0.08), transparent 40%),
                    radial-gradient(circle at 80% 70%, rgba(90,215,255,0.06), transparent 40%);
  pointer-events: none;
}

.scanlines {
  position: fixed; inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255,255,255,0.025) 0px,
    rgba(255,255,255,0.025) 1px,
    transparent 1px,
    transparent 3px
  );
  pointer-events: none;
  mix-blend-mode: overlay;
  z-index: 100;
}

/* ===== Screen system ===== */
.screen {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  overflow: auto;
}
.screen.active { display: flex; }

/* ===== Buttons (shared) ===== */
button {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--accent);
  padding: 10px 22px;
  font-family: inherit;
  letter-spacing: 0.2em;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
}
button:hover {
  background: var(--accent);
  color: var(--bg);
  box-shadow: 0 0 16px var(--accent);
}
button.ghost { border-color: var(--ink-dim); }
button.ghost:hover { background: var(--ink-dim); }
button.primary { border-color: var(--good); color: var(--good); }
button.primary:hover { background: var(--good); color: var(--bg); box-shadow: 0 0 16px var(--good); }
button.back { border-color: var(--ink-dim); color: var(--ink-dim); padding: 6px 14px; font-size: 11px; }
button.back:hover { background: var(--ink-dim); color: var(--bg); }

/* ===== TITLE screen ===== */
.title-frame {
  text-align: center;
  max-width: 640px;
}
.big-title {
  font-size: 64px;
  letter-spacing: 0.35em;
  margin: 0 0 12px;
  color: var(--accent);
  text-shadow: 0 0 24px rgba(138,125,255,0.6),
               0 0 48px rgba(138,125,255,0.3);
  animation: pulse 4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { text-shadow: 0 0 24px rgba(138,125,255,0.6), 0 0 48px rgba(138,125,255,0.3); }
  50%      { text-shadow: 0 0 32px rgba(90,215,255,0.7), 0 0 64px rgba(138,125,255,0.4); }
}
.tagline {
  color: var(--ink-dim);
  font-size: 12px;
  letter-spacing: 0.15em;
  margin: 0 0 36px;
}
.menu {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}
.menu button { width: 280px; }
.version {
  margin-top: 36px;
  color: #4a5478;
  font-size: 10px;
  letter-spacing: 0.2em;
}

/* ===== LEVEL SELECT ===== */
.select-frame {
  width: 640px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.screen-title {
  color: var(--accent);
  letter-spacing: 0.25em;
  font-size: 16px;
  margin: 0;
}
.level-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.level-card {
  border: 1px solid var(--grid);
  background: rgba(13,16,32,0.6);
  padding: 14px 16px;
  cursor: pointer;
  transition: all 0.15s;
  text-align: left;
  font-family: inherit;
  letter-spacing: 0;
  font-size: 13px;
  color: var(--ink);
}
.level-card:hover {
  border-color: var(--accent);
  background: rgba(138,125,255,0.08);
  box-shadow: none;
}
.level-card.locked {
  opacity: 0.4;
  cursor: not-allowed;
}
.level-card .num {
  font-size: 10px;
  color: var(--ink-dim);
  letter-spacing: 0.25em;
  display: block;
  margin-bottom: 4px;
}
.level-card .lname {
  color: var(--accent-2);
  letter-spacing: 0.15em;
  font-size: 14px;
}
.level-card.cleared .lname::after {
  content: " ✓";
  color: var(--good);
}

/* ===== STORY ===== */
.story-frame {
  max-width: 640px;
  width: 100%;
  border: 1px solid var(--accent);
  padding: 36px 44px;
  background: linear-gradient(180deg, rgba(138,125,255,0.06), transparent);
  box-shadow: 0 0 30px rgba(138,125,255,0.3);
}
.story-title {
  color: var(--accent);
  letter-spacing: 0.3em;
  font-size: 18px;
  margin: 0 0 24px;
  text-shadow: 0 0 12px rgba(138,125,255,0.5);
}
.story-body {
  color: var(--ink);
  font-size: 13px;
  line-height: 1.8;
  white-space: pre-wrap;
  margin: 0 0 28px;
  font-family: inherit;
}
#storyContinue { width: 100%; }

/* ===== GAME ===== */
.frame {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.hud {
  display: flex;
  width: 640px;
  justify-content: space-between;
  align-items: center;
  letter-spacing: 0.15em;
  font-size: 12px;
  color: var(--ink-dim);
}
.hud .title {
  color: var(--accent);
  font-weight: 700;
  text-shadow: 0 0 8px rgba(138,125,255,0.6);
}
.hud .stats { display: flex; gap: 18px; align-items: center; }
.hud .stats b { color: var(--ink); margin-left: 4px; font-weight: 600; }
.hud-btn {
  padding: 4px 10px;
  font-size: 10px;
  border-color: var(--ink-dim);
  color: var(--ink-dim);
  letter-spacing: 0.2em;
}
.hud-btn:hover { background: var(--ink-dim); color: var(--bg); box-shadow: none; }

.stage {
  position: relative;
  width: 640px;
  height: 640px;
  border: 1px solid var(--grid);
  box-shadow:
    0 0 0 1px rgba(138,125,255,0.15),
    0 0 40px rgba(138,125,255,0.15),
    inset 0 0 60px rgba(0,0,0,0.6);
  background: var(--bg-2);
}
#board { display: block; width: 100%; height: 100%; image-rendering: pixelated; }

.overlay {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(7,8,13,0.78);
  backdrop-filter: blur(2px);
  transition: opacity 0.25s;
}
.overlay.hidden { opacity: 0; pointer-events: none; }
.overlay-card {
  text-align: center;
  border: 1px solid var(--accent);
  padding: 28px 40px;
  background: linear-gradient(180deg, rgba(138,125,255,0.08), transparent);
  box-shadow: 0 0 30px rgba(138,125,255,0.4);
  min-width: 320px;
}
.overlay-card h2 {
  margin: 0 0 8px;
  color: var(--good);
  letter-spacing: 0.3em;
  font-size: 22px;
  text-shadow: 0 0 12px rgba(125,255,182,0.6);
}
.overlay-card.fail h2 {
  color: var(--warn);
  text-shadow: 0 0 12px rgba(255,125,168,0.6);
}
.overlay-card p { margin: 0 0 20px; color: var(--ink-dim); font-size: 13px; }
.overlay-btns { display: flex; gap: 10px; justify-content: center; }

.legend {
  width: 640px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 11px;
  color: var(--ink-dim);
  letter-spacing: 0.1em;
}
.legend .keys { width: 100%; margin-top: 4px; color: #4a5478; }

/* ===== EDITOR ===== */
.editor-frame {
  width: 100%;
  max-width: 1100px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.ed-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.ed-header h2 {
  color: var(--accent);
  letter-spacing: 0.3em;
  font-size: 16px;
  margin: 0;
}
.ed-body {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 16px;
}
.ed-side {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 11px;
  color: var(--ink-dim);
  letter-spacing: 0.1em;
}
.ed-row { display: flex; flex-direction: column; gap: 4px; }
.ed-row.triple { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.ed-row.triple > div { display: flex; flex-direction: column; gap: 4px; }
.ed-row label { color: var(--ink-dim); font-size: 10px; }
.ed-row input, .ed-row textarea {
  background: var(--bg-2);
  border: 1px solid var(--grid);
  color: var(--ink);
  padding: 6px 8px;
  font-family: inherit;
  font-size: 12px;
}
.ed-toolbar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
}
.ed-toolbar .tool {
  padding: 6px 4px;
  font-size: 9px;
  letter-spacing: 0.1em;
  border-color: var(--grid);
  color: var(--ink-dim);
}
.ed-toolbar .tool:hover { border-color: var(--accent); color: var(--ink); background: transparent; box-shadow: none; }
.ed-toolbar .tool.active { border-color: var(--accent); color: var(--accent); background: rgba(138,125,255,0.1); }
.ed-actions {
  display: flex;
  gap: 6px;
  margin-top: 6px;
}
.ed-actions button { flex: 1; padding: 8px; font-size: 11px; }
.share-box {
  background: var(--bg-2);
  border: 1px solid var(--grid);
  color: var(--accent-2);
  padding: 6px 8px;
  font-family: inherit;
  font-size: 10px;
  width: 100%;
}
.ed-status { color: var(--good); font-size: 10px; min-height: 12px; }
.ed-help { color: #4a5478; font-size: 10px; line-height: 1.6; }
.ed-canvas-wrap {
  border: 1px solid var(--grid);
  background: var(--bg-2);
  height: 640px;
}
#editorCanvas { width: 100%; height: 100%; display: block; cursor: crosshair; }

/* ===== VERSION HISTORY ===== */
.version-frame {
  width: 100%;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-height: 90vh;
}
.version-list {
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-right: 6px;
}
.version-list::-webkit-scrollbar { width: 6px; }
.version-list::-webkit-scrollbar-thumb { background: var(--grid); }
.version-block {
  border: 1px solid var(--grid);
  background: rgba(13,16,32,0.6);
  padding: 14px 18px;
}
.version-block.current {
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(138,125,255,0.1), transparent);
  box-shadow: 0 0 18px rgba(138,125,255,0.2);
}
.version-block .vh {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
}
.version-block .vnum {
  color: var(--accent-2);
  font-size: 16px;
  letter-spacing: 0.2em;
  font-weight: 700;
}
.version-block.current .vnum { color: var(--accent); }
.version-block .vmeta {
  color: var(--ink-dim);
  font-size: 10px;
  letter-spacing: 0.2em;
}
.version-block .vcode {
  color: var(--gold);
  font-size: 11px;
  letter-spacing: 0.25em;
  margin-bottom: 10px;
}
.version-block ul {
  margin: 0;
  padding-left: 18px;
  color: var(--ink);
  font-size: 12px;
  line-height: 1.7;
}
.version-block ul li::marker { color: var(--accent); }

.hud-ver {
  color: var(--ink-dim);
  font-size: 10px;
  letter-spacing: 0.15em;
  padding: 2px 6px;
  border: 1px solid var(--grid);
}

/* ===== TOUCH CONTROLS (mobil) ===== */
.touch-controls {
  display: none;          /* desktop'ta gizli, media query açar */
  width: min(640px, 100%);
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 8px 0;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}
.dpad {
  position: relative;
  width: 156px;
  height: 156px;
}
.dp {
  position: absolute;
  width: 52px;
  height: 52px;
  border: 1px solid var(--accent);
  background: rgba(138,125,255,0.08);
  color: var(--ink);
  font-size: 18px;
  padding: 0;
  letter-spacing: 0;
  border-radius: 8px;
  touch-action: manipulation;
}
.dp:active { background: var(--accent); color: var(--bg); }
.dp-up    { top: 0;    left: 52px; }
.dp-down  { bottom: 0; left: 52px; }
.dp-left  { top: 52px; left: 0; }
.dp-right { top: 52px; right: 0; }

.actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  flex: 1;
  max-width: 240px;
}
.act {
  height: 52px;
  border: 1px solid var(--accent-2);
  color: var(--accent-2);
  background: rgba(90,215,255,0.05);
  font-size: 16px;
  letter-spacing: 0.15em;
  padding: 0;
  border-radius: 8px;
  touch-action: manipulation;
}
.act:active { background: var(--accent-2); color: var(--bg); }
.act-z { border-color: var(--ink-dim); color: var(--ink-dim); background: transparent; }
.act-n { border-color: var(--warn); color: var(--warn); background: transparent; }

/* ===== Responsive (≤900px) ===== */
@media (max-width: 900px) {
  .screen { padding: 10px; align-items: flex-start; }

  /* Title */
  .title-frame { padding-top: 24px; }
  .big-title { font-size: 36px; letter-spacing: 0.25em; }
  .tagline { font-size: 11px; padding: 0 8px; }
  .menu button { width: 100%; max-width: 320px; }

  /* HUD */
  .hud { width: 100%; flex-wrap: wrap; gap: 6px; font-size: 11px; }
  .hud .stats { gap: 8px; flex-wrap: wrap; }

  /* Stage */
  .frame { width: 100%; gap: 8px; }
  .stage {
    width: min(100vw - 20px, 100vh - 320px);
    height: min(100vw - 20px, 100vh - 320px);
    max-width: 640px;
    max-height: 640px;
  }

  /* Touch controls görünür */
  .touch-controls { display: flex; }

  /* Legend daha kompakt */
  .legend { width: 100%; font-size: 10px; gap: 6px; }
  .legend .keys { display: none; }   /* klavye ipucu mobilde gereksiz */

  /* Level select tek sütun */
  .level-list { grid-template-columns: 1fr; }
  .select-frame { width: 100%; }

  /* Story */
  .story-frame { padding: 24px 20px; }
  .story-body { font-size: 12px; }

  /* Version history */
  .version-frame { width: 100%; }

  /* Editor — sidebar canvas altına */
  .editor-frame { max-width: 100%; }
  .ed-body { grid-template-columns: 1fr; }
  .ed-canvas-wrap { height: min(80vw, 400px); order: -1; }
  .ed-side { font-size: 11px; }
  .ed-toolbar { grid-template-columns: repeat(4, 1fr); }
  .ed-toolbar .tool { font-size: 8px; padding: 8px 2px; }

  /* Overlay card daha küçük */
  .overlay-card { min-width: 0; padding: 20px 24px; }
  .overlay-card h2 { font-size: 16px; letter-spacing: 0.2em; }
  .overlay-card p { font-size: 11px; }
  .overlay-btns button { padding: 8px 14px; font-size: 11px; }
}

/* ≤500px (telefon dikey) */
@media (max-width: 500px) {
  .big-title { font-size: 28px; }
  .stage { width: min(100vw - 16px, 100vh - 360px); height: min(100vw - 16px, 100vh - 360px); }
  .dpad { width: 132px; height: 132px; }
  .dp { width: 44px; height: 44px; font-size: 16px; }
  .dp-up    { left: 44px; }
  .dp-down  { left: 44px; }
  .dp-left  { top: 44px; }
  .dp-right { top: 44px; }
  .actions { max-width: 180px; }
  .act { height: 44px; font-size: 14px; }
}