:root {
  --bg: #0b0d10;
  --panel: #14171c;
  --panel-2: #1a1e25;
  --border: #262b33;
  --text: #dfe5ec;
  --dim: #8b95a3;
  --red: #ff3b53;
  --cyan: #22d3ee;
}

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

[hidden] { display: none !important; }

html, body { height: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI Variable", "Segoe UI", system-ui, sans-serif;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ---------- header ---------- */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.4rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.logo {
  font-family: Consolas, "Cascadia Code", monospace;
  font-size: 1.5rem;
  letter-spacing: 0.35em;
  font-weight: 700;
  color: #fff;
  text-shadow: -3px 0 rgba(255, 59, 83, 0.75), 3px 0 rgba(34, 211, 238, 0.75);
  user-select: none;
}

.tagline {
  color: var(--dim);
  font-size: 0.8rem;
  margin-top: 0.15rem;
  letter-spacing: 0.05em;
}

.tabs { display: flex; gap: 0.5rem; }

.tab {
  background: var(--panel);
  color: var(--dim);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.55rem 1.1rem;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.15s;
}

.tab:hover { color: var(--text); border-color: #3a4250; }

.tab.active {
  color: #fff;
  background: var(--panel-2);
  border-color: #3a4250;
  box-shadow: inset 0 -2px 0 var(--cyan), inset 0 2px 0 var(--red);
}

.tab-game {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  color: var(--red);
  font-weight: 600;
  letter-spacing: 0.06em;
}

.tab-game .play { color: var(--cyan); }

.tab-game:hover {
  border-color: #3a4250;
  box-shadow: 0 0 12px rgba(255, 59, 83, 0.25), 0 0 12px rgba(34, 211, 238, 0.25);
  color: #ff6b7e;
}

.tab-game:hover .play { color: #5ee1f2; }

/* ---------- layout ---------- */
main { flex: 1; padding: 1.2rem 1.4rem; }

.panel {
  display: grid;
  grid-template-columns: 1fr 310px;
  gap: 1.2rem;
  align-items: start;
}

@media (max-width: 900px) {
  .panel { grid-template-columns: 1fr; }
}

.stage {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 420px;
  height: calc(100vh - 190px);
  background:
    radial-gradient(ellipse at 30% 20%, rgba(255, 59, 83, 0.05), transparent 55%),
    radial-gradient(ellipse at 70% 80%, rgba(34, 211, 238, 0.05), transparent 55%),
    var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  position: relative;
}

.stage canvas {
  max-width: 100%;
  max-height: 100%;
  display: block;
}

#gen-canvas { width: 100%; height: 100%; }

/* ---------- drop zone ---------- */
#drop-zone {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

#drop-zone.dragover { background: rgba(34, 211, 238, 0.06); }

.dz-inner {
  border: 2px dashed var(--border);
  border-radius: 16px;
  padding: 3rem 3.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  align-items: center;
}

#drop-zone.dragover .dz-inner { border-color: var(--cyan); }

.dz-glyph { font-size: 2.2rem; user-select: none; }
.dz-l { color: var(--red); margin-right: -0.35em; }
.dz-r { color: var(--cyan); }

/* ---------- controls ---------- */
.controls {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  max-height: calc(100vh - 190px);
  overflow-y: auto;
  padding-right: 2px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.9rem 1rem;
}

.card h2 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--dim);
  margin-bottom: 0.7rem;
}

.row { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; }

.btn {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.9rem;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.15s;
}

.btn:hover:not(:disabled) { border-color: var(--cyan); }
.btn:disabled { opacity: 0.4; cursor: default; }

.btn-small { padding: 0.3rem 0.6rem; font-size: 0.78rem; }

.btn-accent {
  border-color: transparent;
  background: linear-gradient(90deg, rgba(255, 59, 83, 0.18), rgba(34, 211, 238, 0.18));
  border: 1px solid #3a4250;
  font-weight: 600;
  padding: 0.7rem;
}

.btn-accent:hover:not(:disabled) { border-color: var(--cyan); box-shadow: 0 0 14px rgba(34, 211, 238, 0.25); }

/* segmented radios */
.seg { display: grid; grid-template-columns: 1fr 1fr; gap: 0.4rem; }

.seg label { position: relative; cursor: pointer; }
.seg input { position: absolute; opacity: 0; }

.seg span {
  display: block;
  text-align: center;
  padding: 0.45rem 0.3rem;
  font-size: 0.82rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-2);
  color: var(--dim);
  transition: all 0.15s;
}

.seg input:checked + span {
  color: #fff;
  border-color: var(--cyan);
  box-shadow: 0 0 10px rgba(34, 211, 238, 0.18);
}

.hint { margin-top: 0.55rem; font-size: 0.75rem; }

/* sliders + selects */
.slider-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text);
  margin: 0.55rem 0 0.25rem;
}

.slider-label output { color: var(--cyan); font-variant-numeric: tabular-nums; }

input[type="range"] { width: 100%; accent-color: var(--cyan); }

select {
  width: 100%;
  margin-top: 0.25rem;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.45rem 0.5rem;
  font-size: 0.85rem;
}

.checks { margin-top: 0.6rem; gap: 1rem; }
.checks label { font-size: 0.82rem; display: flex; align-items: center; gap: 0.35rem; color: var(--text); }
.checks input { accent-color: var(--cyan); }

/* progress */
.progress {
  height: 8px;
  background: var(--panel-2);
  border-radius: 99px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.progress-bar {
  height: 100%;
  width: 0%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--red), var(--cyan));
  transition: width 0.2s;
}

#model-label { margin-top: 0.45rem; font-size: 0.78rem; }

.dim { color: var(--dim); font-size: 0.85rem; }

.export-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.4rem; }

/* ---------- footer ---------- */
footer {
  border-top: 1px solid var(--border);
  padding: 0.55rem 1.4rem;
}

#status {
  font-family: Consolas, monospace;
  font-size: 0.78rem;
  color: var(--dim);
}

/* ================= REDSHIFT (game) ================= */

.game-body { overflow: hidden; background: #000; }

#game-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  display: block;
  cursor: crosshair;
}

.game-hud {
  position: fixed;
  inset: 0;
  pointer-events: none;
  font-family: Consolas, "Cascadia Code", monospace;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hud-top {
  display: flex;
  justify-content: space-between;
  padding: 1rem 1.4rem;
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  color: var(--text);
  text-shadow: -1.5px 0 rgba(255, 59, 83, 0.65), 1.5px 0 rgba(34, 211, 238, 0.65);
}

.hud-top .num { color: #fff; }
.hud-right { text-align: right; }

.pip {
  display: inline-block;
  width: 0.85em;
  height: 0.85em;
  margin-left: 0.3em;
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(34, 211, 238, 0.7);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.pip.empty { background: #2a313c; box-shadow: none; }

.hud-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  text-align: center;
  background: rgba(0, 0, 0, 0.55);
}

.hud-center .logo { font-size: 3rem; }

.hud-center p { color: var(--text); letter-spacing: 0.08em; line-height: 1.7; }

.hud-center .dim { font-size: 0.85rem; }

.blink { animation: blink 1.1s steps(2) infinite; color: var(--cyan); }

@keyframes blink { 50% { opacity: 0.15; } }

.hud-bottom {
  display: flex;
  align-items: center;
  gap: 1.3rem;
  padding: 0.8rem 1.4rem;
  font-size: 0.8rem;
  color: var(--dim);
}

.hud-bottom > * { pointer-events: auto; }

.hud-bottom a { color: var(--dim); text-decoration: none; }
.hud-bottom a:hover { color: var(--cyan); }

.hud-bottom label { display: flex; align-items: center; gap: 0.45rem; }
.hud-bottom input[type="range"] { width: 130px; accent-color: var(--cyan); }
.hud-bottom input[type="checkbox"] { accent-color: var(--cyan); }

#vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 55%, rgba(255, 30, 50, 0.55) 100%);
  opacity: 0;
  transition: opacity 0.35s;
}

/* ---------- leaderboard ---------- */

#lb {
  pointer-events: auto;
  min-width: 320px;
  max-width: 440px;
  margin-top: 0.4rem;
}

#lb h2 {
  font-size: 0.8rem;
  letter-spacing: 0.35em;
  color: var(--dim);
  margin-bottom: 0.55rem;
  text-shadow: -1.5px 0 rgba(255, 59, 83, 0.5), 1.5px 0 rgba(34, 211, 238, 0.5);
}

#lb ol {
  list-style: none;
  counter-reset: rank;
  text-align: left;
  font-size: 0.85rem;
}

#lb li {
  counter-increment: rank;
  display: flex;
  gap: 0.7rem;
  padding: 0.18rem 0.5rem;
  align-items: baseline;
}

#lb li::before {
  content: counter(rank, decimal-leading-zero);
  color: var(--red);
  min-width: 1.7em;
}

#lb li.you { background: rgba(34, 211, 238, 0.12); outline: 1px solid rgba(34, 211, 238, 0.35); }

.lb-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
}

.lb-score { color: var(--cyan); font-variant-numeric: tabular-nums; }

#lb-form {
  pointer-events: auto;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

#lb-form input {
  background: #05070a;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  padding: 0.55rem 0.8rem;
  width: 340px;
  max-width: 80vw;
  text-align: center;
}

#lb-form input:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 12px rgba(34, 211, 238, 0.25); }

/* ---------- 90s hit counter ---------- */

#hitcounter {
  background: #0a0405;
  border: 1px solid #33141a;
  border-radius: 6px;
  padding: 0.45rem 0.6rem;
  font-family: Consolas, monospace;
  text-align: right;
}

.foot-right { display: flex; align-items: center; gap: 1.2rem; }

.hc-top { display: flex; align-items: center; gap: 0.55rem; }

.hc-label { font-size: 0.6rem; letter-spacing: 0.22em; color: #a3565f; }

.hc-digits span {
  display: inline-block;
  background: #1a0508;
  color: var(--red);
  border: 1px solid #33141a;
  border-radius: 2px;
  padding: 0.08rem 0.22rem;
  margin-left: 2px;
  font-size: 0.85rem;
  font-weight: 700;
  text-shadow: 0 0 6px rgba(255, 59, 83, 0.8);
}

.hc-sub { margin-top: 0.3rem; font-size: 0.62rem; color: #7a5a5e; letter-spacing: 0.04em; }

/* ---------- footer links + prose pages ---------- */

footer { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }

.foot-links { display: flex; gap: 1rem; }

.foot-links a {
  color: var(--dim);
  text-decoration: none;
  font-size: 0.78rem;
  font-family: Consolas, monospace;
}

.foot-links a:hover { color: var(--cyan); }

.prose {
  max-width: 760px;
  margin: 0 auto;
  padding: 2.2rem 1.4rem 4rem;
  line-height: 1.75;
}

.prose h1 { font-size: 1.6rem; margin-bottom: 1.2rem; letter-spacing: 0.04em; }

.prose h2 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--cyan);
  margin: 2rem 0 0.6rem;
}

.prose p, .prose li { color: var(--text); margin-bottom: 0.8rem; }

.prose ul { padding-left: 1.2rem; }

.prose a { color: var(--cyan); }

.prose .back { font-family: Consolas, monospace; font-size: 0.85rem; color: var(--dim); text-decoration: none; }
.prose .back:hover { color: var(--cyan); }

.prose .aside { color: var(--dim); font-size: 0.9rem; }

.journal-entry {
  margin: 1.6rem 0 2.2rem;
  padding: 0.4rem 0 0.4rem 1.4rem;
  border-left: 3px solid;
  border-image: linear-gradient(to bottom, var(--red), var(--cyan)) 1;
}

.journal-entry h2 {
  color: var(--text);
  text-transform: none;
  letter-spacing: 0.03em;
  font-size: 1.15rem;
  margin: 0.4rem 0 1rem;
}

.journal-sig {
  color: var(--dim);
  font-family: Consolas, monospace;
  font-size: 0.85rem;
  text-align: right;
}