/* ============ GitQuest — phosphor terminal theme ============ */

:root {
  --bg: #0a0e0a;
  --bg2: #0d130d;
  --panel: #101a10;
  --panel-edge: #1e331e;
  --ink: #b8f0b0;
  --ink-dim: #5e8a58;
  --ink-faint: #39543a;
  --green: #3aff6e;
  --amber: #ffce4a;
  --cyan: #45e0d8;
  --red: #ff5f56;
  --violet: #c792ea;
  --mono: "JetBrains Mono", "Fira Code", ui-monospace, "Cascadia Mono", Menlo, Consolas, monospace;
  --glow: 0 0 6px rgba(58, 255, 110, .35);
}

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

html, body { height: 100%; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.5;
  overflow: hidden;
}

/* subtle scanline + vignette over everything */
body::after {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(0deg, rgba(0,0,0,.14) 0 1px, transparent 1px 3px),
    radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,.45));
  z-index: 90;
  mix-blend-mode: multiply;
}

::selection { background: rgba(58,255,110,.25); }

kbd {
  border: 1px solid var(--ink-dim);
  border-radius: 4px;
  padding: 0 5px;
  font-family: var(--mono);
}

code {
  background: rgba(58,255,110,.08);
  border: 1px solid var(--panel-edge);
  border-radius: 4px;
  padding: 0 4px;
  color: var(--green);
}

button { font-family: var(--mono); cursor: pointer; }

/* ============ screens ============ */

.screen { display: none; height: 100%; flex-direction: column; }
.screen.active { display: flex; }

.hidden { display: none !important; }
.blink { animation: blink 1.1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ============ boot ============ */

#boot-screen { padding: 5vh 6vw; justify-content: center; }

.boot-log {
  color: var(--ink-dim);
  font-size: 13px;
  white-space: pre-wrap;
  min-height: 9em;
}

.boot-title { text-align: center; margin-top: 2rem; }

.ascii {
  color: var(--green);
  text-shadow: var(--glow);
  font-size: clamp(8px, 1.6vw, 16px);
  line-height: 1.15;
  display: inline-block;
  text-align: left;
}

.subtitle { color: var(--ink-dim); margin: .8rem 0 2.2rem; letter-spacing: .12em; }
.press-enter { color: var(--ink); }

/* ============ level select ============ */

#select-screen { padding: 4vh 5vw; gap: 3vh; }

.select-header h1 {
  color: var(--green);
  text-shadow: var(--glow);
  letter-spacing: .35em;
  font-size: clamp(22px, 3.4vw, 40px);
}
.select-sub { color: var(--ink-dim); }

.level-timeline {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;
  padding: 2rem 1rem;
}

.tl-node { display: flex; align-items: center; flex-shrink: 0; }

.tl-commit {
  width: 84px; height: 84px;
  border-radius: 50%;
  border: 2px solid var(--green);
  background: var(--panel);
  color: var(--green);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 2px;
  transition: transform .15s, box-shadow .15s;
  position: relative;
}
.tl-commit .num { font-size: 20px; font-weight: 700; }
.tl-commit .stars { font-size: 11px; color: var(--amber); letter-spacing: 1px; min-height: 13px; }

.tl-commit:hover:not(:disabled) { transform: scale(1.1); box-shadow: var(--glow); }
.tl-commit:disabled { border-color: var(--ink-faint); color: var(--ink-faint); cursor: not-allowed; }
.tl-commit.done { background: rgba(58,255,110,.12); }

.tl-label {
  position: absolute;
  top: 100%;
  margin-top: 10px;
  width: 130px;
  text-align: center;
  font-size: 11px;
  color: var(--ink-dim);
}

.tl-edge {
  width: 64px; height: 2px;
  background: var(--panel-edge);
  position: relative;
  flex-shrink: 0;
}
.tl-edge.lit { background: var(--green); box-shadow: var(--glow); }

.select-footer { display: flex; gap: 1rem; }

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

.ghost-btn, .primary-btn {
  background: transparent;
  border: 1px solid var(--ink-dim);
  color: var(--ink);
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 13px;
  transition: all .15s;
}
.ghost-btn:hover { border-color: var(--green); color: var(--green); box-shadow: var(--glow); }
.ghost-btn.danger:hover { border-color: var(--red); color: var(--red); box-shadow: 0 0 6px rgba(255,95,86,.35); }
.primary-btn { background: var(--green); border-color: var(--green); color: #04140a; font-weight: 700; }
.primary-btn:hover { box-shadow: 0 0 14px rgba(58,255,110,.6); }
.primary-btn:disabled { opacity: .35; cursor: not-allowed; box-shadow: none; }

/* ============ play screen ============ */

#play-screen { padding: 0; }

.play-header {
  display: flex; align-items: center; gap: 1rem;
  padding: 10px 16px;
  border-bottom: 1px solid var(--panel-edge);
  background: var(--bg2);
}
.play-title { flex: 1; font-weight: 700; letter-spacing: .06em; }
.lvl-num { color: var(--ink-dim); margin-right: 10px; }
.play-actions { display: flex; gap: 8px; align-items: center; }
.move-count { color: var(--ink-faint); font-size: 12px; min-width: 9ch; text-align: right; }

.play-main {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 1fr);
  gap: 12px;
  padding: 12px;
  min-height: 0;
}

/* ---- terminal ---- */

.term-wrap { display: flex; flex-direction: column; min-width: 0; }

.terminal {
  flex: 1;
  background: #060906;
  border: 1px solid var(--panel-edge);
  border-radius: 10px;
  padding: 14px 16px;
  overflow-y: auto;
  cursor: text;
  display: flex; flex-direction: column;
}
.terminal:focus-within { border-color: var(--ink-dim); box-shadow: var(--glow); }

.term-out { flex: 1; white-space: pre-wrap; word-break: break-word; }
.term-out .line { min-height: 1.4em; }

.term-inputline { display: flex; align-items: baseline; gap: 8px; }
.prompt { color: var(--cyan); white-space: nowrap; }
.prompt b { color: var(--green); }

.term-in {
  flex: 1;
  background: transparent;
  border: none; outline: none;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 15px;
  caret-color: var(--green);
}

.term-tip { color: var(--ink-faint); font-size: 12px; padding: 6px 4px 0; }

/* output colors */
.ok     { color: var(--green); }
.err    { color: var(--red); }
.info   { color: var(--cyan); }
.warn   { color: var(--amber); }
.dim    { color: var(--ink-dim); }
.story  { color: var(--violet); }
.echo   { color: var(--ink-dim); }
.branch { color: var(--amber); }
.hash   { color: var(--cyan); }

/* ---- side panels ---- */

.side { display: flex; flex-direction: column; gap: 12px; min-height: 0; }

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: 10px;
  padding: 12px 14px;
  display: flex; flex-direction: column;
  min-height: 0;
}
.objective-panel { flex: 1.2; }
.live-panel { flex: 1; }

.panel h2 {
  font-size: 12px; letter-spacing: .25em;
  color: var(--ink-dim);
  margin-bottom: 8px;
  display: flex; align-items: center; gap: 10px;
}

.objective-text { font-size: 13.5px; margin-bottom: 8px; }
.objective-text .task { color: var(--green); }

.graph-box {
  flex: 1;
  min-height: 120px;
  overflow: auto;
  border: 1px dashed var(--panel-edge);
  border-radius: 8px;
  background: rgba(0,0,0,.25);
  display: flex; align-items: center; justify-content: center;
}
.graph-caption { font-size: 11px; color: var(--ink-faint); text-align: center; margin-top: 4px; }
.live-status { letter-spacing: 0; font-size: 11px; }
.live-status.match { color: var(--green); }

/* ---- svg graph ---- */

.g-node circle {
  fill: var(--bg2);
  stroke-width: 2;
}
.g-node text { font-family: var(--mono); font-size: 10px; fill: var(--ink-dim); }
.g-edge { fill: none; stroke-width: 2; }
.g-tag {
  font-family: var(--mono); font-size: 10px; font-weight: 700;
}
.g-tag rect { rx: 4; }
.g-tag-head rect { stroke: var(--cyan); }
.g-pop { animation: gpop .35s ease-out; transform-origin: center; transform-box: fill-box; }
@keyframes gpop { 0% { transform: scale(0); } 70% { transform: scale(1.25); } 100% { transform: scale(1); } }

/* ---- modal ---- */

.modal {
  position: fixed; inset: 0;
  background: rgba(4,8,4,.8);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
}
.modal-card {
  background: var(--panel);
  border: 1px solid var(--green);
  border-radius: 12px;
  padding: 28px 34px;
  text-align: center;
  box-shadow: 0 0 30px rgba(58,255,110,.25);
  max-width: 480px;
}
.modal-ascii { color: var(--green); font-size: 12px; margin-bottom: 6px; }
.modal-card h2 { color: var(--green); letter-spacing: .2em; margin-bottom: 10px; }
.complete-stats { color: var(--ink-dim); margin: 10px 0 18px; font-size: 13px; }
.modal-btns { display: flex; gap: 10px; justify-content: center; }

/* ---- misc ---- */

.confetti {
  position: fixed; width: 8px; height: 8px; z-index: 99;
  pointer-events: none; border-radius: 2px;
}

@media (max-width: 900px) {
  .play-main { grid-template-columns: 1fr; grid-template-rows: 1.2fr 1fr; overflow-y: auto; }
  .side { flex-direction: row; }
  .objective-panel, .live-panel { flex: 1; }
}