/* ==========================================================================
   ARCIS DESIGN SYSTEM  ·  v1.0
   Operational-precision control-room aesthetic for cross-border freight dispatch.
   Single source of truth. Imported by every mockup and the interactive prototype.
   Dark is primary. Light is a full peer theme via [data-theme="light"].
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@400;500;600;700;800&family=IBM+Plex+Mono:wght@400;500;600&family=Inter+Tight:wght@400;500;600;700&display=swap');

/* --------------------------------------------------------------------------
   1. DESIGN TOKENS
   -------------------------------------------------------------------------- */
:root {
  /* ---- Type families ---- */
  --font-display: 'Archivo', sans-serif;   /* headings, KPI numbers, wordmark */
  --font-body:    'Inter Tight', sans-serif;/* UI copy, labels, table text */
  --font-mono:    'IBM Plex Mono', monospace;/* codes, plates, IDs, figures */

  /* ---- Type scale (px) ---- */
  --fs-display-xl: 30px;
  --fs-display-l:  24px;
  --fs-display-m:  21px;
  --fs-h1: 20px;
  --fs-h2: 16px;
  --fs-body: 13px;
  --fs-body-sm: 12px;
  --fs-label: 11px;   /* uppercase tracked labels */
  --fs-micro: 10px;
  --fs-nano: 9px;

  /* ---- Weights ---- */
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-black: 800;

  /* ---- Tracking ---- */
  --track-label: 0.07em;
  --track-wordmark: 0.16em;

  /* ---- Spacing scale (4px base) ---- */
  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px; --sp-4: 16px;
  --sp-5: 20px; --sp-6: 24px; --sp-8: 32px; --sp-10: 40px;
  --sp-12: 48px; --sp-16: 64px;

  /* ---- Radius ---- */
  --r-xs: 5px; --r-sm: 7px; --r-md: 9px; --r-lg: 12px; --r-xl: 14px; --r-pill: 999px;

  /* ---- Motion ---- */
  --ease: cubic-bezier(.4, 0, .2, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --dur-fast: 120ms;
  --dur: 200ms;
  --dur-slow: 320ms;

  /* ---- Z ---- */
  --z-sticky: 10; --z-dropdown: 100; --z-modal: 1000; --z-toast: 2000;

  /* ---- Layout ---- */
  --topbar-h: 60px;
  --sidebar-w: 232px;
  --sidebar-w-collapsed: 64px;
}

/* --------------------------------------------------------------------------
   2. SEMANTIC COLOR — DARK (primary)
   -------------------------------------------------------------------------- */
:root, [data-theme="dark"] {
  /* surfaces */
  --bg: #0a0f1c;
  --bg-grad-1: #0c1426;
  --surface: #101a30;       /* panels, cards */
  --surface-2: #0d1626;     /* recessed: table header, inputs */
  --surface-3: #12203a;     /* raised: chips, inner cells */
  --surface-hover: rgba(59,130,246,.06);
  --overlay: rgba(5,9,18,.72);

  /* lines */
  --line: #1e2d4a;
  --line-soft: #172339;

  /* text */
  --ink: #e8eef9;
  --ink-2: #9fb0cc;
  --ink-3: #6a7a99;
  --ink-inverse: #0a0f1c;

  /* brand */
  --navy: #1b3a6b;
  --blue: #3b82f6;
  --blue-bright: #5b9dff;
  --blue-ghost: rgba(59,130,246,.16);
  --cyan: #22d3ee;
  --violet: #a78bfa;

  /* status — semantic */
  --success: #34d399;
  --success-deep: #0e3b2e;
  --success-ghost: rgba(52,211,153,.13);
  --warn: #fbbf24;
  --warn-deep: #3a2c08;
  --warn-ghost: rgba(251,191,36,.14);
  --danger: #f87171;
  --danger-deep: #3a1518;
  --danger-ghost: rgba(248,113,113,.10);
  --info: #5b9dff;
  --info-ghost: rgba(91,157,255,.14);

  /* domain semantics */
  --komple: #5b9dff;        /* full-load */
  --komple-ghost: rgba(91,157,255,.14);
  --grupaj: #a78bfa;        /* part-load */
  --grupaj-ghost: rgba(167,139,250,.14);
  --coload: #34d399;        /* consolidated */
  --coload-ghost: rgba(52,211,153,.13);

  /* visa states */
  --visa-ok: #34d399;
  --visa-soon: #fbbf24;
  --visa-expired: #f87171;

  /* shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,.3);
  --shadow-md: 0 6px 18px rgba(0,0,0,.35);
  --shadow-lg: 0 18px 48px rgba(0,0,0,.5);
  --shadow-blue: 0 4px 14px rgba(59,130,246,.18);

  /* app background composite */
  --app-bg:
    radial-gradient(1200px 500px at 80% -10%, rgba(59,130,246,.10), transparent 60%),
    radial-gradient(900px 500px at -5% 110%, rgba(34,211,238,.06), transparent 55%),
    linear-gradient(180deg, var(--bg-grad-1), var(--bg));
  --grid-overlay: rgba(23,35,57,.55);
  --grid-opacity: .20;
}

/* --------------------------------------------------------------------------
   3. SEMANTIC COLOR — LIGHT (full peer)
   -------------------------------------------------------------------------- */
[data-theme="light"] {
  --bg: #f4f7fb;
  --bg-grad-1: #eef3fa;
  --surface: #ffffff;
  --surface-2: #f7fafd;
  --surface-3: #eef3fa;
  --surface-hover: rgba(43,111,181,.05);
  --overlay: rgba(15,23,42,.4);

  --line: #d8e1ee;
  --line-soft: #e7edf6;

  --ink: #15233b;
  --ink-2: #4b5d78;
  --ink-3: #8090a8;
  --ink-inverse: #ffffff;

  --navy: #1b3a6b;
  --blue: #2563eb;
  --blue-bright: #2e6fb5;
  --blue-ghost: rgba(37,99,235,.10);
  --cyan: #0891b2;
  --violet: #7c3aed;

  --success: #0f9d58;
  --success-deep: #d6f3e4;
  --success-ghost: rgba(15,157,88,.10);
  --warn: #b87503;
  --warn-deep: #fdf0d5;
  --warn-ghost: rgba(184,117,3,.10);
  --danger: #d93838;
  --danger-deep: #fbe3e3;
  --danger-ghost: rgba(217,56,56,.08);
  --info: #2563eb;
  --info-ghost: rgba(37,99,235,.10);

  --komple: #2563eb;
  --komple-ghost: rgba(37,99,235,.10);
  --grupaj: #7c3aed;
  --grupaj-ghost: rgba(124,58,237,.10);
  --coload: #0f9d58;
  --coload-ghost: rgba(15,157,88,.10);

  --visa-ok: #0f9d58;
  --visa-soon: #b87503;
  --visa-expired: #d93838;

  --shadow-sm: 0 1px 3px rgba(15,35,59,.08);
  --shadow-md: 0 6px 20px rgba(15,35,59,.10);
  --shadow-lg: 0 20px 48px rgba(15,35,59,.16);
  --shadow-blue: 0 4px 14px rgba(37,99,235,.16);

  --app-bg:
    radial-gradient(1100px 460px at 82% -12%, rgba(37,99,235,.08), transparent 60%),
    radial-gradient(820px 460px at -6% 112%, rgba(8,145,178,.05), transparent 55%),
    linear-gradient(180deg, var(--bg-grad-1), var(--bg));
  --grid-overlay: rgba(180,196,220,.45);
  --grid-opacity: .35;
}

/* --------------------------------------------------------------------------
   4. RESET & BASE
   -------------------------------------------------------------------------- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.45;
}
.tnum { font-variant-numeric: tabular-nums; }
.mono { font-family: var(--font-mono); }

/* app frame helper (mockups wrap content in .arcis-app) */
.arcis-app {
  position: relative;
  background: var(--app-bg);
  min-height: 100vh;
  color: var(--ink);
  overflow: hidden;
}
.arcis-app::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--grid-overlay) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-overlay) 1px, transparent 1px);
  background-size: 34px 34px; opacity: var(--grid-opacity);
  mask-image: linear-gradient(180deg, transparent, #000 6%, #000 94%, transparent);
}

/* --------------------------------------------------------------------------
   5. TYPOGRAPHY HELPERS
   -------------------------------------------------------------------------- */
.t-display-xl { font-family: var(--font-display); font-weight: var(--fw-black); font-size: var(--fs-display-xl); letter-spacing: -.01em; line-height: 1.05; }
.t-display-l  { font-family: var(--font-display); font-weight: var(--fw-black); font-size: var(--fs-display-l); line-height: 1.1; }
.t-h1 { font-family: var(--font-display); font-weight: var(--fw-bold); font-size: var(--fs-h1); }
.t-h2 { font-family: var(--font-display); font-weight: var(--fw-bold); font-size: var(--fs-h2); }
.t-label {
  font-size: var(--fs-label); font-weight: var(--fw-semibold);
  letter-spacing: var(--track-label); text-transform: uppercase; color: var(--ink-3);
}
.t-mute { color: var(--ink-2); }
.t-faint { color: var(--ink-3); }

/* --------------------------------------------------------------------------
   6. LOGO / WORDMARK
   -------------------------------------------------------------------------- */
.logo {
  width: 34px; height: 34px; border-radius: var(--r-md); flex: none;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  display: grid; place-items: center;
  box-shadow: 0 0 0 1px rgba(91,157,255,.4), var(--shadow-blue);
}
.logo svg { width: 20px; height: 20px; }
.logo svg path, .logo svg circle { stroke: #fff; }
.logo svg circle[fill] { fill: #fff; stroke: none; }
.wordmark { font-family: var(--font-display); font-weight: var(--fw-black); letter-spacing: var(--track-wordmark); font-size: 18px; color: var(--ink); }
.wordmark span { color: var(--blue-bright); }
.wordmark-tag { font-size: var(--fs-label); color: var(--ink-3); letter-spacing: .04em; margin-top: 1px; }

/* --------------------------------------------------------------------------
   7. BUTTONS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-2);
  font-family: var(--font-body); font-size: var(--fs-body); font-weight: var(--fw-semibold);
  padding: 9px 15px; border-radius: var(--r-md); border: 1px solid transparent;
  cursor: pointer; white-space: nowrap; transition: all var(--dur) var(--ease);
  background: var(--surface-3); color: var(--ink); border-color: var(--line);
}
.btn:hover { border-color: var(--blue-bright); }
.btn svg { width: 15px; height: 15px; }
.btn-primary {
  background: linear-gradient(180deg, rgba(59,130,246,.92), rgba(59,130,246,.78));
  color: #fff; border-color: rgba(91,157,255,.45); box-shadow: var(--shadow-blue);
}
[data-theme="light"] .btn-primary { background: linear-gradient(180deg, var(--blue), #1d54c9); color: #fff; }
.btn-primary:hover { filter: brightness(1.06); }
.btn-success {
  background: linear-gradient(180deg, var(--success), #1fae7a); color: #052b1f;
  border-color: rgba(52,211,153,.5); font-weight: var(--fw-bold);
}
.btn-ghost { background: transparent; color: var(--ink-2); border-color: var(--line); }
.btn-ghost:hover { color: var(--ink); background: var(--surface-hover); }
.btn-danger-ghost { background: var(--danger-ghost); color: var(--danger); border-color: rgba(248,113,113,.35); }
.btn-sm { padding: 6px 11px; font-size: var(--fs-body-sm); }
.btn-icon { padding: 8px; width: 34px; height: 34px; }
.btn-block { width: 100%; }

/* --------------------------------------------------------------------------
   8. BADGES & CHIPS
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-family: var(--font-mono); font-size: var(--fs-micro); font-weight: var(--fw-semibold);
  padding: 2px 7px; border-radius: var(--r-xs); letter-spacing: .02em; border: 1px solid transparent;
}
.badge-komple { background: var(--komple-ghost); color: var(--komple); border-color: color-mix(in srgb, var(--komple) 30%, transparent); }
.badge-grupaj { background: var(--grupaj-ghost); color: var(--grupaj); border-color: color-mix(in srgb, var(--grupaj) 30%, transparent); }
.badge-coload { background: var(--coload-ghost); color: var(--coload); border-color: color-mix(in srgb, var(--coload) 35%, transparent); }
.badge-mix    { background: var(--info-ghost); color: var(--cyan); border-color: color-mix(in srgb, var(--cyan) 30%, transparent); }
.badge-success { background: var(--success-ghost); color: var(--success); border-color: color-mix(in srgb, var(--success) 35%, transparent); }
.badge-warn   { background: var(--warn-ghost); color: var(--warn); border-color: color-mix(in srgb, var(--warn) 35%, transparent); }
.badge-danger { background: var(--danger-ghost); color: var(--danger); border-color: color-mix(in srgb, var(--danger) 35%, transparent); }
.badge-neutral { background: var(--surface-3); color: var(--ink-2); border-color: var(--line); }

.tag-priority {
  font-size: var(--fs-nano); font-weight: var(--fw-bold); letter-spacing: .05em; text-transform: uppercase;
  color: var(--warn); background: var(--warn-deep); border: 1px solid color-mix(in srgb, var(--warn) 35%, transparent);
  padding: 2px 6px; border-radius: var(--r-xs);
}
.tag-binding {
  font-size: var(--fs-nano); font-weight: var(--fw-bold); letter-spacing: .04em;
  color: var(--warn); background: var(--warn-deep); border: 1px solid color-mix(in srgb, var(--warn) 30%, transparent);
  padding: 1px 5px; border-radius: 4px;
}
.chip {
  display: inline-flex; align-items: center; gap: 6px; font-size: var(--fs-body-sm);
  padding: 5px 11px; border-radius: var(--r-sm); border: 1px solid var(--line);
  background: var(--surface-2); color: var(--ink-2); cursor: pointer; transition: all var(--dur) var(--ease);
}
.chip:hover { color: var(--ink); }
.chip.on { background: var(--blue-ghost); border-color: color-mix(in srgb, var(--blue-bright) 40%, transparent); color: var(--blue-bright); }
.chip .count { font-family: var(--font-mono); font-size: var(--fs-micro); color: var(--ink-3); }
.chip.on .count { color: var(--blue-bright); }

/* status dot */
.dot { width: 7px; height: 7px; border-radius: 50%; flex: none; }
.dot-ok { background: var(--success); box-shadow: 0 0 0 3px var(--success-ghost); }
.dot-warn { background: var(--warn); box-shadow: 0 0 0 3px var(--warn-ghost); }
.dot-danger { background: var(--danger); box-shadow: 0 0 0 3px var(--danger-ghost); }
.dot-idle { background: var(--ink-3); }

/* --------------------------------------------------------------------------
   9. CARDS & PANELS
   -------------------------------------------------------------------------- */
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
}
.card-pad { padding: var(--sp-4); }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md); }
.divider { height: 1px; background: var(--line-soft); border: 0; }

.section-head {
  font-size: var(--fs-label); letter-spacing: var(--track-label); text-transform: uppercase;
  color: var(--ink-3); display: flex; align-items: center; gap: var(--sp-2);
}
.section-head::after { content: ""; flex: 1; height: 1px; background: var(--line-soft); }

/* --------------------------------------------------------------------------
   10. KPI TILE
   -------------------------------------------------------------------------- */
.kpi-strip { display: grid; gap: 1px; background: var(--line); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.kpi {
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  padding: 14px 18px 13px; position: relative;
}
.kpi .k-label { font-size: var(--fs-label); letter-spacing: var(--track-label); text-transform: uppercase; color: var(--ink-3); display: flex; align-items: center; gap: 6px; }
.kpi .k-val { font-family: var(--font-display); font-weight: var(--fw-black); font-size: 27px; line-height: 1.05; margin-top: 7px; letter-spacing: -.01em; font-variant-numeric: tabular-nums; }
.kpi .k-sub { font-size: var(--fs-body-sm); color: var(--ink-2); margin-top: 4px; font-variant-numeric: tabular-nums; }
.kpi.accent .k-val { color: var(--success); }
.kpi .k-val.blue { color: var(--blue-bright); }
.kpi .k-val.warn { color: var(--warn); }
.kpi .k-val.mute { color: var(--ink-2); }

/* --------------------------------------------------------------------------
   11. TABLE
   -------------------------------------------------------------------------- */
.table-wrap { overflow: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: var(--fs-body); }
table.data thead th {
  position: sticky; top: 0; z-index: var(--z-sticky); text-align: left;
  font-family: var(--font-body); font-weight: var(--fw-semibold); font-size: var(--fs-label);
  letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3);
  padding: 9px 10px; background: var(--surface-2); border-bottom: 1px solid var(--line); white-space: nowrap;
}
table.data thead th.num { text-align: right; }
table.data tbody td { padding: 8px 10px; border-bottom: 1px solid var(--line-soft); vertical-align: middle; white-space: nowrap; }
table.data tbody tr { cursor: pointer; transition: background var(--dur-fast) var(--ease); }
table.data tbody tr:hover { background: var(--surface-hover); }
table.data tbody tr.sel { background: linear-gradient(90deg, var(--blue-ghost), transparent); box-shadow: inset 3px 0 0 var(--blue-bright); }
table.data tbody tr.row-danger { background: var(--danger-ghost); }
table.data tbody tr.row-danger:hover { background: color-mix(in srgb, var(--danger) 14%, transparent); }
.num { text-align: right; font-variant-numeric: tabular-nums; font-family: var(--font-mono); font-size: var(--fs-body-sm); }
.pos { color: var(--success); }
.neg { color: var(--danger); }
.cell-strong { color: var(--ink); font-weight: var(--fw-semibold); }
.cell-id { font-family: var(--font-mono); font-weight: var(--fw-semibold); color: var(--blue-bright); font-size: var(--fs-body); }
.cell-sub { font-size: var(--fs-nano); color: var(--ink-3); }

/* visa inline cell */
.visa { display: inline-flex; align-items: center; gap: 7px; font-family: var(--font-mono); font-size: 11px; white-space: nowrap; }
.visa .vdot { width: 6px; height: 6px; border-radius: 50%; flex: none; }
.vdot.ok { background: var(--visa-ok); }
.vdot.soon { background: var(--visa-soon); }
.vdot.exp { background: var(--visa-expired); box-shadow: 0 0 0 3px var(--danger-ghost); }
.vdays { color: var(--ink-3); font-size: var(--fs-micro); }
.vdays.exp { color: var(--danger); }

/* stop counter */
.stops { display: inline-flex; align-items: center; justify-content: center; min-width: 20px; height: 20px; padding: 0 6px; border-radius: 6px; background: var(--surface-3); border: 1px solid var(--line); font-family: var(--font-mono); font-size: 11px; color: var(--ink-2); }
.stops.multi { background: var(--info-ghost); border-color: color-mix(in srgb, var(--cyan) 25%, transparent); color: var(--cyan); }

/* --------------------------------------------------------------------------
   12. FORMS / INPUTS
   -------------------------------------------------------------------------- */
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: var(--fs-label); letter-spacing: var(--track-label); text-transform: uppercase; color: var(--ink-3); }
.input, .select, .textarea {
  font-family: var(--font-body); font-size: var(--fs-body); color: var(--ink);
  background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--r-sm);
  padding: 9px 12px; transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease); width: 100%;
}
.input::placeholder { color: var(--ink-3); }
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--blue-bright); box-shadow: 0 0 0 3px var(--blue-ghost); }
.input-mono { font-family: var(--font-mono); }
.toggle { position: relative; width: 42px; height: 24px; border-radius: var(--r-pill); background: var(--surface-3); border: 1px solid var(--line); cursor: pointer; transition: all var(--dur) var(--ease); flex: none; }
.toggle::after { content: ""; position: absolute; top: 2px; left: 2px; width: 18px; height: 18px; border-radius: 50%; background: var(--ink-3); transition: all var(--dur) var(--ease); }
.toggle.on { background: var(--blue-ghost); border-color: var(--blue-bright); }
.toggle.on::after { left: 21px; background: var(--blue-bright); }
.range { -webkit-appearance: none; appearance: none; width: 100%; height: 5px; border-radius: 3px; background: var(--surface-3); border: 1px solid var(--line); }
.range::-webkit-slider-thumb { -webkit-appearance: none; width: 16px; height: 16px; border-radius: 50%; background: var(--blue-bright); cursor: pointer; box-shadow: var(--shadow-blue); }

/* --------------------------------------------------------------------------
   13. NAV — sidebar + topbar
   -------------------------------------------------------------------------- */
.topbar {
  position: relative; z-index: var(--z-sticky); display: flex; align-items: center; gap: 18px;
  height: var(--topbar-h); padding: 0 22px; border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface) 90%, transparent), color-mix(in srgb, var(--surface-2) 75%, transparent));
  backdrop-filter: blur(6px);
}
.brand { display: flex; align-items: center; gap: 11px; }
.crumbs { display: flex; align-items: center; gap: 9px; font-size: var(--fs-body); color: var(--ink-2); }
.crumbs .sep { color: var(--ink-3); }
.crumbs b { color: var(--ink); font-weight: var(--fw-semibold); }
.topbar-spacer { margin-left: auto; }

.sidebar {
  width: var(--sidebar-w); flex: none; border-right: 1px solid var(--line);
  background: linear-gradient(180deg, var(--surface-2), var(--bg)); padding: 14px 12px;
  display: flex; flex-direction: column; gap: 2px;
}
.nav-group-label { font-size: var(--fs-nano); letter-spacing: var(--track-label); text-transform: uppercase; color: var(--ink-3); padding: 12px 12px 6px; }
.nav-item {
  display: flex; align-items: center; gap: 11px; padding: 9px 12px; border-radius: var(--r-sm);
  color: var(--ink-2); font-size: var(--fs-body); font-weight: var(--fw-medium); cursor: pointer;
  transition: all var(--dur) var(--ease); text-decoration: none; border: 1px solid transparent;
}
.nav-item svg { width: 17px; height: 17px; flex: none; opacity: .85; }
.nav-item:hover { background: var(--surface-hover); color: var(--ink); }
.nav-item.active { background: var(--blue-ghost); color: var(--blue-bright); border-color: color-mix(in srgb, var(--blue-bright) 25%, transparent); }
.nav-item.active svg { opacity: 1; }
.nav-item .badge-mini { margin-left: auto; font-family: var(--font-mono); font-size: var(--fs-nano); background: var(--surface-3); color: var(--ink-2); padding: 1px 6px; border-radius: var(--r-xs); border: 1px solid var(--line); }
.nav-item.active .badge-mini { background: var(--blue-ghost); color: var(--blue-bright); }

.avatar { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: linear-gradient(135deg, var(--navy), #27508f); font-family: var(--font-mono); font-size: var(--fs-body-sm); font-weight: var(--fw-semibold); color: #cfe0ff; border: 1px solid var(--line); flex: none; }

/* --------------------------------------------------------------------------
   14. PILLS / STATUS BANNERS / TOASTS
   -------------------------------------------------------------------------- */
.status-pill { display: inline-flex; align-items: center; gap: 9px; padding: 7px 13px; border: 1px solid var(--line); border-radius: var(--r-pill); background: var(--surface-2); font-size: var(--fs-body-sm); color: var(--ink-2); }
.status-pill b { color: var(--ink); font-family: var(--font-mono); font-weight: var(--fw-medium); }

.banner { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-radius: var(--r-md); border: 1px solid; font-size: var(--fs-body); }
.banner svg { width: 18px; height: 18px; flex: none; }
.banner-info { background: var(--info-ghost); border-color: color-mix(in srgb, var(--blue-bright) 30%, transparent); color: var(--ink); }
.banner-warn { background: var(--warn-ghost); border-color: color-mix(in srgb, var(--warn) 30%, transparent); color: var(--ink); }
.banner-success { background: var(--success-ghost); border-color: color-mix(in srgb, var(--success) 30%, transparent); color: var(--ink); }
.banner-danger { background: var(--danger-ghost); border-color: color-mix(in srgb, var(--danger) 30%, transparent); color: var(--ink); }

.toast { display: flex; align-items: center; gap: 11px; padding: 12px 16px; border-radius: var(--r-md); background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow-lg); font-size: var(--fs-body); color: var(--ink); }

/* --------------------------------------------------------------------------
   15. CONSTRAINT / EXPLAINABILITY ROW (signature component)
   -------------------------------------------------------------------------- */
.crow { display: flex; align-items: center; gap: 10px; padding: 9px 11px; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface); }
.crow .ci { width: 22px; height: 22px; border-radius: 6px; display: grid; place-items: center; flex: none; }
.ci.ok { background: var(--success-ghost); color: var(--success); }
.ci.bind { background: var(--warn-ghost); color: var(--warn); }
.ci.info { background: var(--blue-ghost); color: var(--blue-bright); }
.ci svg { width: 13px; height: 13px; }
.crow .cmeta { min-width: 0; flex: 1; }
.crow .cname { font-size: var(--fs-body); font-weight: var(--fw-semibold); color: var(--ink); display: flex; align-items: center; gap: 7px; }
.crow .cval { font-size: var(--fs-body-sm); color: var(--ink-3); font-family: var(--font-mono); margin-top: 2px; }
.crow .cgauge { margin-left: auto; width: 64px; flex: none; }
.gbar { height: 5px; border-radius: 3px; background: var(--surface-3); overflow: hidden; border: 1px solid var(--line); }
.gbar i { display: block; height: 100%; border-radius: 3px; }
.gbar i.g { background: var(--success); }
.gbar i.a { background: var(--warn); }
.gtxt { font-size: var(--fs-nano); color: var(--ink-3); font-family: var(--font-mono); text-align: right; margin-top: 3px; }

/* rationale block */
.rationale { font-size: var(--fs-body); line-height: 1.55; color: var(--ink-2); background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--blue-bright); border-radius: var(--r-sm); padding: 11px 13px; }
.rationale b { color: var(--ink); font-weight: var(--fw-semibold); }

/* leg timeline */
.legs { display: flex; flex-direction: column; }
.leg { display: flex; gap: 11px; padding: 9px 2px; position: relative; }
.leg:not(:last-child)::before { content: ""; position: absolute; left: 9px; top: 24px; bottom: -2px; width: 2px; background: var(--line); }
.leg .lnode { width: 20px; height: 20px; border-radius: 50%; flex: none; display: grid; place-items: center; font-family: var(--font-mono); font-size: var(--fs-micro); font-weight: var(--fw-semibold); z-index: 1; }
.lnode.pick { background: var(--navy); color: #cfe0ff; border: 1px solid color-mix(in srgb, var(--blue-bright) 40%, transparent); }
.lnode.dest { background: var(--success-deep); color: var(--success); border: 1px solid color-mix(in srgb, var(--success) 40%, transparent); }
.leg .lt { font-size: var(--fs-body); color: var(--ink); font-weight: var(--fw-medium); }
.leg .ls { font-size: var(--fs-micro); color: var(--ink-3); font-family: var(--font-mono); margin-top: 1px; }

/* --------------------------------------------------------------------------
   16. MODAL / DRAWER
   -------------------------------------------------------------------------- */
.modal-scrim { position: fixed; inset: 0; background: var(--overlay); backdrop-filter: blur(3px); z-index: var(--z-modal); display: grid; place-items: center; }
.modal { width: min(560px, 92vw); background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-xl); box-shadow: var(--shadow-lg); overflow: hidden; }
.modal-head { padding: 16px 20px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; }
.modal-body { padding: 20px; }
.modal-foot { padding: 14px 20px; border-top: 1px solid var(--line); display: flex; gap: 10px; justify-content: flex-end; }

/* --------------------------------------------------------------------------
   17. EMPTY / LOADING / SKELETON
   -------------------------------------------------------------------------- */
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; padding: 64px 24px; text-align: center; }
.empty-state .es-icon { width: 56px; height: 56px; border-radius: var(--r-lg); display: grid; place-items: center; background: var(--surface-3); border: 1px solid var(--line); color: var(--ink-3); }
.empty-state .es-icon svg { width: 26px; height: 26px; }
.empty-state h3 { font-family: var(--font-display); font-weight: var(--fw-bold); font-size: var(--fs-display-m); color: var(--ink); }
.empty-state p { font-size: var(--fs-body); color: var(--ink-3); max-width: 360px; }

.skeleton { background: linear-gradient(90deg, var(--surface-2) 0%, var(--surface-3) 50%, var(--surface-2) 100%); background-size: 200% 100%; animation: sk 1.4s var(--ease) infinite; border-radius: var(--r-xs); }
@keyframes sk { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

.spinner { width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--line); border-top-color: var(--blue-bright); animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* progress steps (ingestion pipeline) */
.steps { display: flex; align-items: center; gap: 0; }
.step { display: flex; align-items: center; gap: 9px; }
.step .sdot { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; font-family: var(--font-mono); font-size: var(--fs-micro); font-weight: var(--fw-semibold); border: 1px solid var(--line); background: var(--surface-3); color: var(--ink-3); flex: none; }
.step.done .sdot { background: var(--success-ghost); color: var(--success); border-color: color-mix(in srgb, var(--success) 40%, transparent); }
.step.active .sdot { background: var(--blue-ghost); color: var(--blue-bright); border-color: var(--blue-bright); box-shadow: 0 0 0 3px var(--blue-ghost); }
.step .sline { width: 48px; height: 2px; background: var(--line); margin: 0 4px; }
.step.done .sline { background: color-mix(in srgb, var(--success) 50%, transparent); }
.step .slabel { font-size: var(--fs-body-sm); color: var(--ink-2); }
.step.active .slabel { color: var(--ink); font-weight: var(--fw-semibold); }

/* --------------------------------------------------------------------------
   18. UTILITIES
   -------------------------------------------------------------------------- */
.row { display: flex; align-items: center; }
.col { display: flex; flex-direction: column; }
.gap-1 { gap: var(--sp-1);} .gap-2 { gap: var(--sp-2);} .gap-3 { gap: var(--sp-3);} .gap-4 { gap: var(--sp-4);}
.between { justify-content: space-between; }
.center { align-items: center; justify-content: center; }
.wrap-pad { padding: var(--sp-5) var(--sp-6); }
.mt-1{margin-top:var(--sp-1)}.mt-2{margin-top:var(--sp-2)}.mt-3{margin-top:var(--sp-3)}.mt-4{margin-top:var(--sp-4)}
.scroll-y { overflow-y: auto; }
.flex-1 { flex: 1; }
.hidden { display: none !important; }

/* scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 6px; border: 2px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-3); }

/* fade-in helper for prototype route changes */
.fade-in { animation: fadein var(--dur-slow) var(--ease-out); }
@keyframes fadein { from { opacity: 0; transform: translateY(6px);} to { opacity: 1; transform: none;} }