/* Andromeda Relativity — dark spacetime-laboratory theme. */
:root {
  --bg: #07090f;
  --bg-2: #0b0f18;
  --panel: #0d1320;
  --panel-2: #111a2a;
  --line: #1c2a40;
  --line-2: #26385a;
  --text: #dbe7f5;
  --muted: #8396b1;
  --faint: #5b6c86;
  --accent: #41d9ff;
  --accent-2: #1fb2e0;
  --accent-soft: rgba(65, 217, 255, 0.12);
  --warn: #ffb547;
  --danger: #ff6b6b;
  --ok: #46e39a;
  --violet: #a78bfa;
  --radius: 8px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body { background: var(--bg); color: var(--text); font: 13px/1.45 var(--font); overflow: hidden; -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--accent); }
.muted { color: var(--muted); }
.small { font-size: 11.5px; }
.mono { font-family: var(--mono); font-size: 12px; }
.noscript { padding: 24px; }
[hidden] { display: none !important; }

/* ------------------------------------------------------------------ top bar */
.topbar { height: 52px; display: flex; align-items: center; gap: 14px; padding: 0 14px; background: linear-gradient(180deg, #0c1220, #090d16); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; min-width: 182px; }
.brand-mark { width: 30px; height: 30px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-size: 14px; letter-spacing: .01em; }
.brand-text span { font-size: 10.5px; color: var(--muted); }
.top-actions { display: flex; align-items: center; gap: 8px; }
.chip { height: 28px; padding: 0 12px; border-radius: 14px; border: 1px solid var(--line-2); background: var(--panel); color: var(--text); cursor: pointer; font-weight: 600; font-size: 12px; }
.chip.pro { border-color: var(--accent-2); color: var(--accent); }
.chip.premium { border-color: #c9a2ff; color: #e2ccff; background: rgba(167, 139, 250, .1); }
.chip.trial { border-color: var(--warn); color: var(--warn); }
.icon-button { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 6px; border: 1px solid var(--line-2); background: var(--panel); cursor: pointer; color: var(--muted); }
.icon-button:hover { color: var(--text); border-color: var(--accent-2); }
.icon-button svg { width: 18px; height: 18px; }

/* ------------------------------------------------------------------ layout */
.layout { display: grid; grid-template-columns: 214px 1fr 390px; height: calc(100% - 52px); }
.dock { border-right: 1px solid var(--line); background: var(--bg-2); overflow-y: auto; padding: 8px 6px 16px; }
.dock h3 { margin: 12px 8px 4px; font-size: 10.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--faint); }
.dock-button { width: 100%; display: flex; align-items: center; gap: 9px; padding: 6px 8px; border: 1px solid transparent; border-radius: 6px; background: none; color: var(--text); cursor: pointer; text-align: left; }
.dock-button:hover { background: var(--panel-2); }
.dock-button.active { background: var(--accent-soft); border-color: rgba(65, 217, 255, .35); color: #eafaff; }
.dock-button .glyph { width: 22px; height: 22px; border-radius: 5px; display: grid; place-items: center; background: var(--panel-2); color: var(--accent); font-size: 12px; font-weight: 700; flex: none; }
.dock-button .tier { margin-left: auto; font-size: 9.5px; padding: 1px 5px; border-radius: 8px; border: 1px solid var(--line-2); color: var(--muted); }
.dock-button .tier.premium { color: #d9c2ff; border-color: #5b4a86; }
.dock-button .tier.locked::before { content: '🔒 '; }

.viewport { position: relative; overflow: hidden; background: #05070c; min-width: 0; }
#gl, #overlay { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
#overlay { cursor: grab; touch-action: none; }
#overlay:active { cursor: grabbing; }
#gl { pointer-events: none; image-rendering: auto; }
.hud { position: absolute; z-index: 2; }
.hud-subject { left: 14px; top: 12px; max-width: 46%; pointer-events: none; }
.hud-subject h1 { margin: 0; font-size: 20px; font-weight: 650; letter-spacing: .01em; }
.hud-subject .sub { color: var(--muted); font-size: 12px; margin-top: 2px; }
.badges { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 6px; }
.badge { display: inline-flex; align-items: center; height: 20px; padding: 0 8px; border-radius: 10px; font-size: 11px; border: 1px solid var(--line-2); color: var(--muted); background: rgba(7, 9, 15, .6); }
.badge.experimental { color: var(--ok); border-color: rgba(70, 227, 154, .4); }
.badge.model { color: var(--warn); border-color: rgba(255, 181, 71, .4); }
.badge.speculative { color: #1a1003; background: var(--warn); border-color: var(--warn); font-weight: 600; }
.badge.interpretation { color: #e3d7ff; border-color: #6a58a8; }
.badge.established { color: var(--accent); border-color: rgba(65, 217, 255, .4); }
.startup-error { position: absolute; inset: 0; display: grid; place-items: center; padding: 40px; text-align: center; color: var(--text); background: rgba(5, 7, 12, .92); z-index: 6; }

/* ------------------------------------------------------------------ inspector */
.inspector { border-left: 1px solid var(--line); background: var(--bg-2); overflow-y: auto; display: flex; flex-direction: column; }
.panel { padding: 12px 14px; border-bottom: 1px solid var(--line); }
.panel h2 { margin: 0 0 8px; font-size: 13.5px; display: flex; align-items: center; gap: 8px; }
.panel h3 { margin: 12px 0 6px; font-size: 11px; text-transform: uppercase; letter-spacing: .07em; color: var(--faint); font-weight: 600; }
.panel .model-note { font-size: 11.5px; color: var(--muted); border-left: 2px solid var(--accent-2); padding: 4px 8px; margin: 8px 0; background: rgba(65, 217, 255, .04); }
.panel .model-note.warn { border-color: var(--warn); background: rgba(255, 181, 71, .05); }
.instrument { flex: 1; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 3px 12px; margin: 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.kv dd.left { text-align: left; }
table.data { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; font-size: 12px; }
table.data th { text-align: left; font-weight: 600; color: var(--muted); border-bottom: 1px solid var(--line-2); padding: 4px 6px; position: sticky; top: 0; background: var(--bg-2); }
table.data td { border-bottom: 1px solid var(--line); padding: 3px 6px; }
table.data td.num { text-align: right; }
table.data tr.selected td { background: var(--accent-soft); }
table.data tr.clickable { cursor: pointer; }
table.data tr.clickable:hover td { background: var(--panel-2); }
.field { display: flex; flex-direction: column; gap: 4px; margin: 6px 0; }
.field > span { color: var(--muted); font-size: 11.5px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row > .field { flex: 1; min-width: 90px; }
input[type="text"], input[type="number"], input[type="search"], select, textarea { background: var(--bg); border: 1px solid var(--line-2); border-radius: 6px; padding: 5px 8px; outline: none; min-width: 0; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea { resize: vertical; font-family: var(--mono); font-size: 12px; }
input[type="range"] { accent-color: var(--accent); width: 100%; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 30px; padding: 0 12px; border-radius: 6px; border: 1px solid var(--line-2); background: var(--panel-2); color: var(--text); cursor: pointer; text-decoration: none; font-size: 12.5px; }
.button:hover { border-color: var(--accent-2); }
.button.primary { background: var(--accent); color: #03131b; border-color: var(--accent); font-weight: 600; }
.button.primary:hover { background: #6be3ff; }
.button.ghost { background: none; }
.button.small { height: 24px; padding: 0 8px; font-size: 11.5px; }
.button:disabled { opacity: .45; cursor: default; }
.segmented { display: inline-flex; border: 1px solid var(--line-2); border-radius: 6px; overflow: hidden; }
.segmented button { border: 0; background: none; padding: 4px 9px; color: var(--muted); cursor: pointer; font-size: 12px; }
.segmented button.active { background: var(--accent-soft); color: var(--accent); }
.error { color: var(--danger); font-size: 12px; }
.ok { color: var(--ok); }
.warn { color: var(--warn); }
canvas.plot { width: 100%; height: 170px; display: block; background: var(--bg); border: 1px solid var(--line); border-radius: 6px; }
canvas.plot.tall { height: 240px; }
canvas.plot.strip { height: 74px; }
.lock-card { border: 1px dashed var(--line-2); border-radius: var(--radius); padding: 14px; text-align: center; background: rgba(167, 139, 250, .04); }
.lock-card h3 { margin: 0 0 6px; color: var(--text); text-transform: none; letter-spacing: 0; font-size: 13px; }
.lock-card p { margin: 0 0 10px; color: var(--muted); }

/* assistant */
.chat { display: flex; flex-direction: column; gap: 8px; max-height: 300px; overflow-y: auto; margin: 6px 0; }
.msg { padding: 7px 9px; border-radius: 8px; background: var(--panel-2); white-space: pre-wrap; }
.msg.user { background: rgba(65, 217, 255, .1); align-self: flex-end; max-width: 90%; }
.msg.system { color: var(--muted); font-size: 12px; }

/* dialogs and toast */
.dialog { border: 1px solid var(--line-2); border-radius: 10px; background: var(--panel); color: var(--text); padding: 0; width: min(560px, 92vw); }
.dialog::backdrop { background: rgba(3, 5, 9, .72); }
.dialog-body { padding: 18px 20px; }
.dialog h2 { margin: 0 0 6px; font-size: 16px; }
.dialog-actions { display: flex; gap: 8px; justify-content: flex-end; flex-wrap: wrap; margin-top: 14px; }
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 10px 0; }
.tier-card { border: 1px solid var(--line-2); border-radius: 8px; padding: 8px 10px; font-size: 12px; color: var(--muted); }
.tier-card b { display: block; color: var(--text); font-size: 13px; }
.tier-card.current { border-color: var(--accent); background: var(--accent-soft); }
.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 14px; }
.toast { position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%) translateY(20px); opacity: 0; pointer-events: none; transition: all .2s; z-index: 50; background: #121b2c; border: 1px solid var(--line-2); padding: 8px 14px; border-radius: 8px; max-width: 560px; }
.toast.show { opacity: 1; transform: translateX(-50%); }

@media (max-width: 1180px) {
  .layout { grid-template-columns: 168px 1fr 320px; }
  .brand { min-width: 0; }
  .brand-text span { display: none; }
}
@media (max-width: 860px) {
  body { overflow: auto; }
  .topbar { flex-wrap: wrap; height: auto; padding: 8px 12px; }
  .layout { display: flex; flex-direction: column; height: auto; }
  .dock { display: flex; flex-wrap: wrap; border-right: 0; border-bottom: 1px solid var(--line); }
  .dock h3 { width: 100%; }
  .dock-button { width: auto; }
  .viewport { height: 70vh; }
  .inspector { border-left: 0; }
}

/* Account gate: Andromeda Relativity runs only for a signed-in 14d.space account (no free tier). */
.chip.locked { border-color: var(--warn); color: var(--warn); }
.access-gate { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 24px 16px; overflow-y: auto;
  background: radial-gradient(ellipse at 50% 30%, rgba(20, 40, 80, .82), rgba(5, 7, 12, .96) 70%); backdrop-filter: blur(6px); }
.access-gate[hidden] { display: none; }
.gate-card { width: min(560px, 100%); background: linear-gradient(160deg, #0f1828, #0a101b); border: 1px solid var(--line-2); border-radius: 14px; padding: 30px 28px 24px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .55); text-align: left; }
.gate-mark { width: 44px; height: 44px; display: block; margin-bottom: 14px; }
.gate-eyebrow { margin: 0 0 8px; color: var(--accent); font: 500 11px/1.4 var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.gate-card h1 { margin: 0 0 10px; font-size: 24px; line-height: 1.2; letter-spacing: -.01em; font-weight: 650; }
.gate-text { margin: 0 0 18px; color: #b9c7da; font-size: 14px; line-height: 1.55; }
.gate-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.gate-actions .button { height: 36px; padding: 0 14px; font-size: 13px; }
.button.link { background: none; border-color: transparent; color: var(--accent); text-decoration: underline; text-underline-offset: 3px; padding: 0 4px; }
.gate-code { display: grid; gap: 4px; justify-items: start; margin: 0 0 18px; padding: 14px 16px; border: 1px dashed var(--line-2); border-radius: 10px; background: rgba(65, 217, 255, .05); }
.gate-code output { font: 600 30px/1.2 var(--mono); letter-spacing: .12em; color: #eafaff; }
.gate-key { display: grid; gap: 10px; margin-top: 16px; }
.gate-key textarea { width: 100%; background: var(--bg-2); border: 1px solid var(--line-2); border-radius: 6px; padding: 8px; font: 12px/1.4 var(--mono); resize: vertical; }
.gate-card .error { margin: 14px 0 0; }
.gate-fine { margin: 16px 0 0; }
body.gated .topbar, body.gated .layout { filter: blur(2px) saturate(.6); }
@media (max-width: 520px) { .gate-card { padding: 22px 18px; } .gate-card h1 { font-size: 20px; } .gate-actions .button { width: 100%; } }


/* ------------------------------------------------------------------ Andromeda Relativity */
.top-spacer { flex: 1; }
img.brand-mark { width: 30px; height: 30px; border-radius: 7px; }
.dock-button .label { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dock-button .glyph.speculative { color: var(--warn); }
.dock-button .glyph.observed { color: #9be7c4; }
.dock-button .glyph.tool { color: var(--muted); }
.dock-button .tier.pro { color: var(--accent); border-color: rgba(65, 217, 255, .35); }
.badge.observed { color: #9be7c4; border-color: rgba(155, 231, 196, .4); }
.badge.tool { color: var(--muted); }
.badge.pro { color: var(--accent); border-color: rgba(65, 217, 255, .4); }
.badge.premium { color: #e2ccff; border-color: #6a58a8; }
.hud-subject { max-width: 62%; display: grid; grid-template-columns: auto 1fr; align-items: center; column-gap: 10px; }
.hud-subject h1 { font-size: 16px; text-shadow: 0 1px 6px rgba(0, 0, 0, .9); grid-column: 1; }
.hud-subject .badges { grid-column: 2; margin-top: 0; }
.hud-subject .sub { grid-column: 1 / span 2; text-shadow: 0 1px 4px rgba(0, 0, 0, .9); }
.instrument-body textarea { width: 100%; }
.status-line { position: absolute; right: 12px; bottom: 8px; z-index: 2; font: 11px var(--mono); color: var(--faint); pointer-events: none; }
.formula { font: 12px/1.6 var(--mono); color: #d6e7ff; background: rgba(65, 217, 255, .05); border: 1px solid rgba(65, 217, 255, .18); border-radius: 6px; padding: 7px 9px; margin: 10px 0; white-space: pre-wrap; }
.explain { color: #b2c1d6; font-size: 12.3px; line-height: 1.55; margin: 8px 0; }
.readouts { margin: 8px 0; }
.readouts .kv { gap: 4px 10px; }
.readouts .kv dt { font-size: 12px; }
.readouts .kv dd { font: 12px var(--mono); color: #eaf3ff; }
.field.slider > span b { color: var(--text); font-weight: 600; font-variant-numeric: tabular-nums; }
.check { display: inline-flex; align-items: center; gap: 5px; color: var(--muted); font-size: 12px; cursor: pointer; margin: 2px 8px 2px 0; }
.check input { accent-color: var(--accent); }
.row.wrap { flex-wrap: wrap; }
.row.actions { margin-top: 10px; }
.speculative-banner { border: 1px solid rgba(255, 181, 71, .6); background: rgba(255, 181, 71, .08); color: #ffd79a; border-radius: 8px; padding: 8px 10px; font-size: 12px; line-height: 1.45; margin-bottom: 8px; }
.swatches { display: flex; gap: 6px; margin: 6px 0; }
.swatch { flex: 1; text-align: center; font: 10.5px var(--mono); color: #0a0c12; border-radius: 5px; padding: 3px 0; }
canvas.plot.embed { height: 150px; }
.instrument-body .segmented { margin: 6px 0; flex-wrap: wrap; }