/* ============================================================
   Fourier — operational dashboard
   Light, minimal, aligned. One accent, hairlines, tabular numerals.
   ============================================================ */

:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --ink: #191919;
  --muted: #8a8a86;
  --line: #ececea;
  --accent: #f4602c;
  --accent-deep: #d94e1f;
  --accent-soft: #fdf0ea;
  --ok: #1f9d55;
  --ok-soft: #e8f5ee;
  --bad: #d64545;
  --bad-soft: #fbecec;
  --warn: #b97f10;
  --warn-soft: #faf3e3;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(25, 25, 25, 0.04);
  --sidebar-w: 232px;
  --font: "Inter", "SF Pro Text", "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, sans-serif;
}

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

html, body { height: 100%; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.45;
  display: flex;
  min-height: 100vh;
}

h1, h3 { font-weight: 600; letter-spacing: -0.01em; }
h3 { font-size: 15px; }

button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 13.5px; color: var(--ink); }

svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- Sidebar ---------- */

.sidebar {
  width: var(--sidebar-w);
  flex: 0 0 var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand { display: flex; align-items: center; gap: 10px; padding: 2px 8px 20px; }

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: #0a0a0a;
  padding: 3px;
  display: block;
  flex: none;
}

.brand-name { font-size: 17px; font-weight: 700; letter-spacing: -0.02em; }

.nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }

.nav-label {
  font-size: 11px; font-weight: 600; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.08em;
  padding: 16px 10px 6px;
}

.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px; border: 0; background: none;
  border-radius: var(--radius-sm);
  font-size: 13.5px; font-weight: 500; color: var(--ink);
  text-align: left; width: 100%;
  transition: background 0.15s ease;
}
.nav-item:hover { background: var(--bg); }
.nav-item.active { background: var(--accent); color: #fff; }
.nav-item.active svg { stroke: #fff; }

.sidebar-foot { border-top: 1px solid var(--line); padding: 14px 8px 4px; }

.net-chip { display: flex; align-items: center; gap: 7px; font-weight: 600; font-size: 13px; }
.net-sep { color: var(--muted); }
.net-sub { color: var(--muted); font-size: 12px; padding: 4px 0 0 17px; }

.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); display: inline-block; }
.dot-live { background: var(--ok); }
.dot-stale { background: var(--bad); }

/* ---------- Main column ---------- */

.main { flex: 1; min-width: 0; padding: 22px 28px 40px; max-width: 1180px; margin: 0 auto; }

.topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.page-title { font-size: 21px; font-weight: 700; letter-spacing: -0.02em; }
.topbar-right { display: flex; align-items: center; gap: 8px; }

.chip {
  font-size: 12px; font-weight: 600; padding: 5px 10px;
  border-radius: 999px; background: var(--surface); border: 1px solid var(--line);
}
.chip-accent { background: var(--accent-soft); color: var(--accent-deep); border-color: transparent; }
.chip-ok { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.chip-warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.chip-bad { background: var(--bad-soft); color: var(--bad); border-color: transparent; }

.btn-icon {
  width: 34px; height: 34px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  display: inline-flex; align-items: center; justify-content: center;
  transition: background 0.15s ease;
}
.btn-icon:hover { background: var(--bg); }

/* ---------- Cards & grids ---------- */

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 20px;
}

.card-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-bottom: 14px;
}
.card-aux { color: var(--muted); font-size: 12.5px; }

.page { display: none; flex-direction: column; gap: 18px; }
.page.active { display: flex; animation: rise 0.25s ease; }

@keyframes rise { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  .page.active { animation: none; }
  * { transition: none !important; }
}

.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.kpi-grid-3 { grid-template-columns: repeat(3, 1fr); }

.kpi-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.kpi-label { color: var(--muted); font-weight: 500; font-size: 13px; }
.kpi-ico { color: var(--muted); }
.kpi-value {
  font-size: 30px; font-weight: 700; letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums; line-height: 1.1;
}
.kpi-value small { font-size: 13px; font-weight: 500; color: var(--muted); margin-left: 6px; }
.kpi-value .kpi-small { font-size: 19px; }
.kpi-sub { display: flex; align-items: center; gap: 8px; margin-top: 8px; color: var(--muted); font-size: 12.5px; }

.delta {
  font-size: 11.5px; font-weight: 600; padding: 2px 7px; border-radius: 999px;
  font-variant-numeric: tabular-nums;
}
.delta-up { background: var(--ok-soft); color: var(--ok); }
.delta-down { background: var(--bad-soft); color: var(--bad); }
.delta:empty { display: none; }

.grid-main { display: grid; grid-template-columns: 1.7fr 1fr; gap: 14px; }

/* ---------- Runway chart ---------- */

.chart {
  position: relative; height: 230px;
  display: flex; align-items: flex-end; gap: 6%;
  padding: 0 4px;
}

.chart-grid {
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(to top, transparent 0 calc(25% - 1px), var(--line) calc(25% - 1px) 25%);
  pointer-events: none;
}

.chart-thresh {
  position: absolute; left: 0; right: 0; border-top: 1.5px dashed var(--accent);
  opacity: 0.55; pointer-events: none;
}
.chart-thresh span {
  position: absolute; right: 2px; top: -16px;
  font-size: 10.5px; font-weight: 600; color: var(--accent-deep);
  background: var(--accent-soft); padding: 1px 6px; border-radius: 999px;
}

.bar-col {
  position: relative; flex: 1; max-width: 46px; height: 100%;
  display: flex; align-items: flex-end; justify-content: center;
}
.bar {
  width: 100%; border-radius: 999px 999px 5px 5px;
  background: var(--accent);
  min-height: 5px;
  transition: height 0.3s ease;
}
.bar-sim {
  background: repeating-linear-gradient(135deg, var(--accent) 0 5px, var(--accent-soft) 5px 9px);
}
.bar-col:hover .bar-tip { opacity: 1; }
.bar-tip {
  position: absolute; top: -26px; left: 50%; transform: translateX(-50%);
  background: var(--ink); color: #fff; font-size: 11px; font-weight: 600;
  padding: 2px 7px; border-radius: 6px; white-space: nowrap;
  opacity: 0; transition: opacity 0.15s ease; pointer-events: none;
  font-variant-numeric: tabular-nums;
}
.bar-label {
  position: absolute; bottom: -20px; left: 50%; transform: translateX(-50%);
  font-size: 10.5px; color: var(--muted);
}
.chart { margin-bottom: 22px; }

.chart-legend { display: flex; gap: 16px; color: var(--muted); font-size: 12px; }
.chart-legend .sw { width: 12px; height: 12px; border-radius: 4px; display: inline-block; margin-right: 5px; vertical-align: -1px; }
.sw-live { background: var(--accent); }
.sw-sim { background: repeating-linear-gradient(135deg, var(--accent) 0 4px, var(--accent-soft) 4px 7px); }
.sw-thresh { background: transparent; border-top: 2px dashed var(--accent); height: 0 !important; border-radius: 0; vertical-align: 3px; }

/* ---------- Verdict cards ---------- */

.verdict-empty { color: var(--muted); font-size: 13.5px; padding: 8px 0; }

.verdict-action { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.verdict-title { font-size: 17px; font-weight: 700; letter-spacing: -0.01em; }
.verdict-reason { color: var(--ink); font-size: 13.5px; margin-bottom: 12px; }

.verdict-rows { display: flex; flex-direction: column; gap: 8px; }
.vrow { display: flex; justify-content: space-between; gap: 12px; font-size: 13px; border-top: 1px solid var(--line); padding-top: 8px; }
.vrow .k { color: var(--muted); }
.vrow .v { font-weight: 600; text-align: right; font-variant-numeric: tabular-nums; }

.verdict-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }

.raw { margin-top: 12px; }
.raw summary { cursor: pointer; color: var(--muted); font-size: 12.5px; font-weight: 500; }
.raw pre {
  margin-top: 8px; background: var(--bg); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 12px; font-size: 11.5px;
  overflow: auto; max-height: 260px; font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
}

/* ---------- Buttons & forms ---------- */

.btn {
  border: 0; border-radius: 10px; padding: 10px 16px;
  font-size: 13.5px; font-weight: 600;
  transition: background 0.15s ease;
}
.btn-primary { background: var(--accent); color: #fff; width: 100%; margin-top: 14px; }
.btn-primary:hover { background: var(--accent-deep); }

.sim-note { color: var(--muted); font-size: 12px; margin-top: 10px; }

.sim-options { display: flex; flex-direction: column; gap: 8px; }
.sim-option {
  text-align: left; border: 1.5px solid var(--line); background: var(--surface);
  border-radius: var(--radius-sm); padding: 11px 13px;
  display: flex; flex-direction: column; gap: 2px;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.sim-option strong { font-size: 13.5px; }
.sim-option span { color: var(--muted); font-size: 12.5px; }
.sim-option:hover { border-color: var(--accent); }
.sim-option.selected { border-color: var(--accent); background: var(--accent-soft); }

.replay-row { margin-top: 14px; }
.replay-row label { display: block; font-size: 13px; margin-bottom: 8px; }
input[type="range"] { width: 100%; accent-color: var(--accent); }

input[type="search"], select, textarea {
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 8px 11px; background: var(--surface); outline: none;
  transition: border-color 0.15s ease;
}
input[type="search"]:focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea { width: 100%; resize: vertical; line-height: 1.6; }

.table-tools { display: flex; gap: 8px; align-items: center; }
.table-tools input[type="search"] { width: 210px; }

/* ---------- Tables ---------- */

.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th {
  text-align: left; color: var(--muted); font-weight: 500; font-size: 12px;
  border-bottom: 1px solid var(--line); padding: 8px 10px; white-space: nowrap;
}
.table td { border-bottom: 1px solid var(--line); padding: 10px; vertical-align: top; }
.table tr:last-child td { border-bottom: 0; }
.table tbody tr:hover { background: var(--bg); }
.table .num { font-variant-numeric: tabular-nums; font-weight: 600; }
.table .dim { color: var(--muted); }
.table code { font-size: 11.5px; font-family: ui-monospace, "Cascadia Code", Consolas, monospace; }

.empty-row td { text-align: center; color: var(--muted); padding: 26px 10px; }

/* ---------- Simulation layout ---------- */

.sim-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 14px; align-items: start; }

/* ---------- Insight ---------- */

.insight-card { border-left: 3px solid var(--accent); }
.insight-badge {
  display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--accent-deep); background: var(--accent-soft);
  border-radius: 999px; padding: 3px 9px; margin-bottom: 8px;
}
.insight-text { font-size: 14px; max-width: 720px; }

/* ---------- Policy ---------- */

.policy-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; align-items: start; }

.policy-rows { display: flex; flex-direction: column; }
.policy-rows .vrow { border-top: 1px solid var(--line); }
.policy-rows .vrow:first-child { border-top: 0; padding-top: 0; }
.prio-chips { display: flex; flex-wrap: wrap; gap: 5px; justify-content: flex-end; }
.prio-chips .chip { padding: 3px 9px; }

/* ---------- Auth overlay ---------- */

.auth-overlay {
  position: fixed; inset: 0; background: rgba(25, 25, 25, 0.4);
  display: flex; align-items: center; justify-content: center; z-index: 50;
}
.auth-box { width: 340px; display: flex; flex-direction: column; gap: 10px; }
.auth-box p { color: var(--muted); font-size: 13px; }
.auth-box input { width: 100%; }
.auth-error { color: var(--bad); }

/* ---------- Responsive ---------- */

@media (max-width: 1020px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .kpi-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-main, .sim-grid, .policy-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  body { flex-direction: column; }
  .sidebar {
    width: 100%; flex: none; height: auto; position: static;
    flex-direction: row; align-items: center; gap: 6px;
    padding: 10px 14px; border-right: 0; border-bottom: 1px solid var(--line);
    overflow-x: auto;
  }
  .brand { padding: 0 10px 0 0; }
  .nav { flex-direction: row; align-items: center; }
  .nav-label { display: none; }
  .nav-item { padding: 8px 11px; width: auto; white-space: nowrap; }
  .nav-item span { display: none; }
  .nav-item.active span { display: inline; }
  .sidebar-foot { border-top: 0; padding: 0 0 0 10px; margin-left: auto; }
  .net-sub { display: none; }
  .main { padding: 16px 14px 32px; }
  .table-tools { flex-wrap: wrap; }
}

/* ---------- Viewer additions: code gate ---------- */

.gate {
  position: fixed; inset: 0;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  z-index: 60; padding: 16px;
}
.gate-box { width: 400px; display: flex; flex-direction: column; gap: 10px; padding: 26px 26px 22px; }
.gate-box .brand { padding: 0 0 6px; }
.gate-box h2 { font-size: 18px; font-weight: 700; letter-spacing: -0.01em; }
.gate-sub { color: var(--muted); font-size: 13px; margin-bottom: 6px; }
.gate-box input { width: 100%; text-align: center; font-size: 15px; letter-spacing: 0.06em; padding: 11px; font-variant-numeric: tabular-nums; }
.auth-error { color: var(--bad); font-size: 12.5px; }

.btn-link {
  background: none; border: 0; color: var(--muted);
  font-size: 12px; padding: 6px 0 0 17px; cursor: pointer;
  text-align: left; text-decoration: underline;
}
.btn-link:hover { color: var(--bad); }

/* ---------- Viewer: real logo mark ---------- */

.brand-mark { display: block; }