/* Trillium Plans Studio */

:root {
  --bg: #0f1216;
  --bg-2: #161a21;
  --panel: #1a1f27;
  --panel-2: #202631;
  --line: #29303c;
  --line-soft: #222834;
  --ink: #e9ecf3;
  --ink-2: #a7b0bf;
  --ink-3: #737d8c;
  --wood: #d99a4e;
  --wood-soft: #e8be89;
  --sky: #6ec1e4;
  --good: #8fcf87;
  --warn: #e3b45c;
  --bad: #e07a82;
  --radius: 12px;
  --shadow: 0 10px 34px rgba(0, 0, 0, .45);
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; height: 100%;
  background: var(--bg); color: var(--ink);
  font-family: var(--sans);
  font-size: 15px; line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

b, strong { font-weight: 650; color: #f3f5fa; }
a { color: var(--sky); }

/* ---------- gate ---------- */

#gate {
  position: fixed; inset: 0; z-index: 100;
  display: grid; place-items: center;
  background:
    radial-gradient(900px 600px at 50% -10%, #1d2531 0%, transparent 60%),
    var(--bg);
}
#gateForm {
  width: min(400px, 88vw); text-align: center;
  padding: 40px 34px; border: 1px solid var(--line);
  border-radius: 18px; background: var(--panel); box-shadow: var(--shadow);
}
.gate-mark {
  font-size: 12px; letter-spacing: .34em; color: var(--wood);
  font-weight: 600; margin-bottom: 14px;
}
#gateForm h1 { margin: 0 0 10px; font-size: 26px; letter-spacing: -.02em; font-weight: 600; }
#gateForm p { margin: 0 0 24px; color: var(--ink-2); font-size: 13.5px; line-height: 1.6; }
#gatePass, #gateForm button {
  width: 100%; padding: 12px 14px; border-radius: 10px; font: inherit;
}
#gatePass {
  border: 1px solid var(--line); background: var(--bg-2); color: var(--ink);
  margin-bottom: 10px; text-align: center; letter-spacing: .08em;
}
#gatePass:focus { outline: none; border-color: var(--wood); }
#gateForm button {
  border: 0; background: var(--wood); color: #241703; font-weight: 650; cursor: pointer;
}
#gateForm button:hover { background: var(--wood-soft); }
.gate-err { margin-top: 12px; color: var(--bad); font-size: 13px; }

/* ---------- app frame ---------- */

#app {
  display: grid; height: 100%;
  grid-template-columns: 264px 1fr;
  grid-template-rows: 58px 1fr;
  grid-template-areas: "top top" "side main";
}

#topbar {
  grid-area: top; display: flex; align-items: center; gap: 20px;
  padding: 0 18px; border-bottom: 1px solid var(--line);
  background: var(--bg-2);
}
.brand { display: flex; align-items: center; gap: 9px; min-width: 236px; }
.brand-mark { color: var(--wood); font-size: 17px; }
.brand-name { font-size: 14px; letter-spacing: .01em; color: var(--ink-2); }
.brand-name b { color: var(--ink); font-weight: 650; }
.topbar-model {
  flex: 1; font-size: 14px; color: var(--ink-2);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.topbar-model b { color: var(--ink); }
.topbar-actions { display: flex; align-items: center; gap: 10px; }

.seg { display: flex; border: 1px solid var(--line); border-radius: 9px; overflow: hidden; }
.seg button {
  border: 0; background: transparent; color: var(--ink-3);
  padding: 6px 12px; font: inherit; font-size: 12.5px; cursor: pointer;
}
.seg button.on { background: var(--panel-2); color: var(--ink); }
.btn {
  border: 1px solid var(--line); background: var(--panel);
  color: var(--ink-2); padding: 7px 13px; border-radius: 9px;
  font: inherit; font-size: 12.5px; cursor: pointer;
}
.btn:hover { border-color: var(--wood); color: var(--ink); }

/* ---------- sidebar ---------- */

#sidebar {
  grid-area: side; border-right: 1px solid var(--line);
  background: var(--bg-2); overflow-y: auto;
  display: flex; flex-direction: column;
}
.side-head {
  padding: 16px 18px 8px; font-size: 11px; letter-spacing: .16em;
  text-transform: uppercase; color: var(--ink-3);
}
.side-group { padding: 6px 10px 14px; }
.side-group-name {
  padding: 8px 8px 6px; font-size: 11px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--wood); opacity: .85;
}
.model-btn {
  display: block; width: 100%; text-align: left; border: 0;
  background: transparent; color: var(--ink-2); font: inherit;
  padding: 9px 10px; border-radius: 9px; cursor: pointer; line-height: 1.3;
}
.model-btn:hover { background: var(--panel); color: var(--ink); }
.model-btn.on { background: var(--panel-2); color: var(--ink); box-shadow: inset 2px 0 0 var(--wood); }
.model-btn .m-size { font-size: 12px; color: var(--ink-3); display: block; margin-top: 2px; }
.model-btn.on .m-size { color: var(--wood-soft); }
.side-foot { margin-top: auto; padding: 14px 18px 20px; }
.side-note { font-size: 11px; line-height: 1.5; color: var(--ink-3); }

/* ---------- main ---------- */

#main { grid-area: main; display: flex; flex-direction: column; min-width: 0; overflow: hidden; }
.tabs {
  display: flex; gap: 2px; padding: 0 18px;
  border-bottom: 1px solid var(--line); background: var(--bg-2);
}
.tabs button {
  border: 0; background: transparent; color: var(--ink-3);
  font: inherit; font-size: 13.5px; padding: 12px 14px; cursor: pointer;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tabs button:hover { color: var(--ink-2); }
.tabs button.on { color: var(--ink); border-bottom-color: var(--wood); }
.tab-badge {
  display: inline-block; min-width: 17px; padding: 0 5px; margin-left: 5px;
  border-radius: 9px; font-size: 10.5px; line-height: 16px; text-align: center;
  background: var(--bad); color: #180a0b; font-weight: 700; vertical-align: 1px;
}
.tab-badge.clean { background: var(--good); color: #0d1a0b; }

/* plan check */
.finding {
  border: 1px solid var(--line); border-left-width: 3px; border-radius: 10px;
  background: var(--panel); padding: 13px 16px; margin-bottom: 10px;
}
.finding.error { border-left-color: var(--bad); }
.finding.warn { border-left-color: var(--warn); }
.finding.info { border-left-color: var(--ink-3); }
.finding .f-head {
  display: flex; gap: 10px; align-items: baseline; margin-bottom: 5px;
  font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase;
}
.finding.error .f-head .f-sev { color: var(--bad); }
.finding.warn .f-head .f-sev { color: var(--warn); }
.finding.info .f-head .f-sev { color: var(--ink-3); }
.finding .f-where { color: var(--ink-3); }
.finding p { margin: 0; font-size: 13.5px; color: var(--ink-2); }
.finding .f-fix {
  margin-top: 9px; font-size: 13px; font-family: var(--mono);
  color: var(--good); background: #141c13; border: 1px solid #2d4429;
  border-radius: 7px; padding: 7px 11px; display: inline-block;
}
.check-ok {
  border: 1px solid #2d4429; background: #141c13; color: var(--good);
  border-radius: 10px; padding: 14px 16px; font-size: 13.5px;
}

#panes { flex: 1; overflow-y: auto; min-height: 0; }
.pane { display: none; padding: 24px 28px 60px; max-width: 1180px; }
.pane.on { display: block; }
.pane[data-pane="overview"], .pane[data-pane="panels"] { max-width: none; }

/* ---------- 3D stage ---------- */

#stage { display: none; }
.stage-slot {
  position: relative; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; background: #111419; min-height: 420px;
}
.stage-slot.tall { height: min(62vh, 620px); }
#stageCanvas { position: absolute; inset: 0; }
#stageCanvas canvas { display: block; width: 100% !important; height: 100% !important; }
.viewer-hover {
  position: absolute; display: none; pointer-events: none;
  background: rgba(12, 15, 20, .93); border: 1px solid var(--line);
  border-radius: 7px; padding: 5px 9px; font-size: 12px;
  font-family: var(--mono); color: var(--ink); white-space: nowrap; z-index: 5;
}
.stage-ctl {
  position: absolute; left: 14px; bottom: 14px; z-index: 4;
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  background: rgba(14, 17, 22, .86); backdrop-filter: blur(6px);
  border: 1px solid var(--line); border-radius: 10px; padding: 9px 13px;
}
.stage-ctl label { font-size: 12px; color: var(--ink-2); display: flex; align-items: center; gap: 7px; }
.stage-ctl input[type=range] { width: 120px; accent-color: var(--wood); }
.stage-ctl input[type=checkbox] { accent-color: var(--wood); }
.stage-hint {
  position: absolute; right: 14px; top: 14px; z-index: 4;
  font-size: 11.5px; color: var(--ink-3); background: rgba(14, 17, 22, .8);
  border: 1px solid var(--line-soft); border-radius: 8px; padding: 5px 10px;
}

/* ---------- layout helpers ---------- */

.grid-2 { display: grid; grid-template-columns: 1fr 340px; gap: 20px; align-items: start; }
.grid-2.wide { grid-template-columns: 1fr 400px; }
@media (max-width: 1100px) { .grid-2, .grid-2.wide { grid-template-columns: 1fr; } }

.card {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--panel); padding: 18px 20px; margin-bottom: 18px;
}
.card h3 {
  margin: 0 0 12px; font-size: 12px; letter-spacing: .13em;
  text-transform: uppercase; color: var(--ink-3); font-weight: 600;
}
.card > p:last-child, .card > ul:last-child { margin-bottom: 0; }

.page-head { margin-bottom: 20px; }
.page-head h2 { margin: 0 0 6px; font-size: 24px; font-weight: 620; letter-spacing: -.015em; }
.page-head p { margin: 0; color: var(--ink-2); max-width: 74ch; }

.stat-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
.stat {
  flex: 1 1 130px; border: 1px solid var(--line); border-radius: 10px;
  background: var(--panel); padding: 12px 14px;
}
.stat .k { font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
.stat .v { font-size: 19px; font-weight: 600; margin-top: 3px; font-variant-numeric: tabular-nums; }
.stat .v small { font-size: 12px; color: var(--ink-3); font-weight: 400; }

table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line-soft); }
th {
  font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-3); font-weight: 600; white-space: nowrap;
}
td { font-variant-numeric: tabular-nums; }
td.num, th.num { text-align: right; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr.clickable { cursor: pointer; }
tbody tr.clickable:hover { background: var(--panel-2); }
tbody tr.on { background: var(--panel-2); box-shadow: inset 2px 0 0 var(--wood); }
.table-wrap { overflow-x: auto; }

.dot { display: inline-block; width: 9px; height: 9px; border-radius: 3px; margin-right: 7px; vertical-align: -1px; }

ul.plain { margin: 0; padding: 0; list-style: none; }
ul.plain li { padding: 6px 0; border-bottom: 1px solid var(--line-soft); display: flex; gap: 12px; }
ul.plain li:last-child { border-bottom: 0; }
ul.plain .q {
  min-width: 74px; color: var(--wood-soft); font-variant-numeric: tabular-nums;
  font-family: var(--mono); font-size: 12.5px; padding-top: 1px;
}
ul.plain .n { font-size: 12px; color: var(--ink-3); }

.tag {
  display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 20px;
  border: 1px solid var(--line); color: var(--ink-3); vertical-align: 2px;
}
.tag.warn { color: var(--warn); border-color: #4b3d20; background: #241d0f; }
.tag.good { color: var(--good); border-color: #2d4429; background: #16210f; }

.notice {
  border: 1px solid #4b3d20; background: #201a0e; color: var(--wood-soft);
  border-radius: 10px; padding: 11px 14px; font-size: 13px; margin-bottom: 18px;
}
.notice b { color: var(--warn); }
.empty { color: var(--ink-3); font-size: 13.5px; padding: 24px 0; }

/* ---------- method ---------- */

.method-intro { max-width: 76ch; }
.method-intro p { color: var(--ink-2); }
.phase-name {
  margin: 34px 0 14px; font-size: 11px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--wood);
  border-top: 1px solid var(--line); padding-top: 16px;
}
.step { display: grid; grid-template-columns: 46px 1fr; gap: 16px; margin-bottom: 26px; }
.step-n {
  width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
  background: var(--panel-2); border: 1px solid var(--line);
  font-family: var(--mono); font-size: 14px; color: var(--wood-soft);
}
.step h4 { margin: 4px 0 2px; font-size: 17px; font-weight: 600; letter-spacing: -.01em; }
.step .goal { margin: 0 0 12px; color: var(--ink-3); font-size: 13.5px; }
.step-body { max-width: 76ch; }
.step-body p { margin: 0 0 11px; color: var(--ink-2); }
.callout {
  border-left: 2px solid var(--line); padding: 8px 0 8px 13px;
  margin: 10px 0; font-size: 13.5px; color: var(--ink-2); max-width: 76ch;
}
.callout .cl-k {
  font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase;
  display: block; margin-bottom: 3px;
}
.callout.tip { border-left-color: var(--sky); }
.callout.tip .cl-k { color: var(--sky); }
.callout.warn { border-left-color: var(--warn); }
.callout.warn .cl-k { color: var(--warn); }
.callout.check { border-left-color: var(--good); }
.callout.check .cl-k { color: var(--good); }

.value-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 4px 0 14px; }
.chip {
  border: 1px solid var(--line); background: var(--panel-2); border-radius: 9px;
  padding: 7px 12px; font-size: 13px;
}
.chip .ck {
  display: block; font-size: 10px; letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink-3);
}
.chip .cv { font-weight: 600; font-variant-numeric: tabular-nums; color: var(--wood-soft); }

/* ---------- panel inspector ---------- */

.legend { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.legend button {
  display: flex; align-items: center; gap: 7px; border: 1px solid var(--line);
  background: var(--panel); color: var(--ink-2); border-radius: 20px;
  padding: 5px 12px 5px 8px; font: inherit; font-size: 12.5px; cursor: pointer;
}
.legend button:hover { border-color: var(--ink-3); }
.legend button.on { border-color: var(--wood); color: var(--ink); background: var(--panel-2); }

.panel-detail .pd-shape { font-size: 17px; font-weight: 600; margin: 0 0 2px; }
.panel-detail .pd-sub { color: var(--ink-3); font-size: 13px; margin: 0 0 14px; }

/* ---------- print ---------- */

@media print {
  :root { --ink: #111; --ink-2: #333; --ink-3: #666; --line: #ccc; --line-soft: #ddd; }
  html, body { background: #fff; color: #111; height: auto; font-size: 11pt; }
  #gate, #topbar, #sidebar, .tabs, .stage-ctl, .stage-hint, .legend, #stage { display: none !important; }
  #app { display: block; height: auto; }
  #main { overflow: visible; display: block; }
  #panes { overflow: visible; }
  .pane { display: block !important; padding: 0 0 28px; max-width: none; page-break-after: always; }
  .card { border: 1px solid #ccc; background: #fff; box-shadow: none; }
  .stat { border: 1px solid #ccc; background: #fff; }
  .step { page-break-inside: avoid; }
  a { color: #111; text-decoration: none; }
  table { font-size: 10pt; }
  b, strong { color: #000; }
  .chip, .tag, .notice { background: #fff; }
}