/* stockflow shell and components.
   Reads the shared glass material from glass-tokens.css (--gl-*), the same
   lineage as wtp.systems, floc and eDash. Rules from DESIGN.md:
   glass is chrome (header, sidebar, menus, toasts), never content.
   Cards, tables, maps and forms sit on opaque surfaces.
   Every colour token has a dark declaration. */

:root {
  --bg: #F3F6F7;
  --bg-wash: radial-gradient(60rem 30rem at 10% -10%, rgba(var(--gl-action-rgb), .16), transparent 70%),
             radial-gradient(50rem 30rem at 100% 0%, rgba(var(--gl-mint-rgb), .10), transparent 70%);
  --surface: #FFFFFF;
  --surface-2: #F7FAFA;
  --line: #DCE6E8;
  --ink: #0B2A30;
  --ink-2: #3D5F66;
  --ink-3: #6B8A90;
  --accent: var(--gl-action, #0B7A82);
  --accent-hi: var(--gl-action-hi, #129DA5);
  --accent-ink: #FFFFFF;
  --ok: #157F4A;
  --ok-bg: #E3F5EB;
  --warn: #9A5B00;
  --warn-bg: #FFF2DB;
  --bad: #B42318;
  --bad-bg: #FDE7E5;
  --info-bg: #E6F5F6;
  --r-card: 14px;
  --r-ctl: 10px;
  --r-chip: 999px;
  --shadow-card: 0 1px 2px rgba(11, 42, 48, .06), 0 8px 24px -16px rgba(11, 42, 48, .25);
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: ui-monospace, 'SF Mono', Menlo, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #061A1E;
    --bg-wash: radial-gradient(60rem 30rem at 10% -10%, rgba(var(--gl-action-rgb), .22), transparent 70%),
               radial-gradient(50rem 30rem at 100% 0%, rgba(var(--gl-mint-rgb), .08), transparent 70%);
    --surface: #0C252A;
    --surface-2: #0F2D33;
    --line: #1E4148;
    --ink: #E7F3F4;
    --ink-2: #A9C6CB;
    --ink-3: #7FA0A6;
    --accent: #129DA5;
    --accent-hi: #28C2CA;
    --accent-ink: #04161A;
    --ok: #4BD08A;
    --ok-bg: #0F3324;
    --warn: #F5B451;
    --warn-bg: #3A2A0E;
    --bad: #FF8A80;
    --bad-bg: #3D1512;
    --info-bg: #0F3238;
    --shadow-card: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px -16px rgba(0, 0, 0, .6);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #061A1E;
  --bg-wash: radial-gradient(60rem 30rem at 10% -10%, rgba(var(--gl-action-rgb), .22), transparent 70%);
  --surface: #0C252A;
  --surface-2: #0F2D33;
  --line: #1E4148;
  --ink: #E7F3F4;
  --ink-2: #A9C6CB;
  --ink-3: #7FA0A6;
  --accent: #129DA5;
  --accent-hi: #28C2CA;
  --accent-ink: #04161A;
  --ok: #4BD08A;
  --ok-bg: #0F3324;
  --warn: #F5B451;
  --warn-bg: #3A2A0E;
  --bad: #FF8A80;
  --bad-bg: #3D1512;
  --info-bg: #0F3238;
  --shadow-card: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px -16px rgba(0, 0, 0, .6);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.45;
  color: var(--ink);
  background: var(--bg);
  background-image: var(--bg-wash);
  background-attachment: fixed;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 0 0 4px; letter-spacing: -.01em; }
h2 { font-size: 17px; margin: 0 0 10px; }
h3 { font-size: 15px; margin: 0 0 8px; }
.muted { color: var(--ink-2); }
.small { font-size: 13px; }
.mono { font-family: var(--mono); }
.num { font-variant-numeric: tabular-nums; text-align: right; }

/* ---------------------------------------------------------- shell */
.sf-shell { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; }
.sf-side {
  position: sticky; top: 0; height: 100vh;
  padding: 16px 12px;
  background: var(--gl-pill-solid);
  color: #E7F3F4;
  display: flex; flex-direction: column; gap: 4px;
}
@supports (backdrop-filter: blur(1px)) {
  .sf-side { background: var(--gl-pill-tint); backdrop-filter: var(--gl-pill-blur); -webkit-backdrop-filter: var(--gl-pill-blur); box-shadow: var(--gl-pill-rim); }
}
.sf-brand { display: flex; align-items: center; gap: 10px; padding: 6px 10px 14px; font-weight: 700; font-size: 17px; color: #fff; }
.sf-brand .dot { width: 26px; height: 26px; border-radius: 8px; background: linear-gradient(135deg, var(--gl-action-hi, #129DA5), rgb(var(--gl-mint-rgb))); box-shadow: var(--gl-action-rim); }
.sf-tenant { font-size: 12px; color: #A9C6CB; padding: 0 10px 10px; }
.sf-nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: var(--r-ctl);
  color: #D8EBED; font-weight: 500;
}
.sf-nav a:hover { background: var(--gl-chip-hover); text-decoration: none; }
.sf-nav a.on { background: var(--gl-chip); box-shadow: var(--gl-chip-rim); color: #fff; }
.sf-nav .ico { width: 18px; text-align: center; opacity: .9; }
.sf-side .grow { flex: 1; }
.sf-user { font-size: 13px; color: #A9C6CB; padding: 8px 12px; }
.sf-user a { color: #D8EBED; }

.sf-main { padding: 22px 28px 60px; min-width: 0; }
.sf-top { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.sf-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.btn.sf-burger { display: none; }
@media (max-width: 860px) {
  .sf-shell { grid-template-columns: 1fr; }
  .sf-side { position: fixed; inset: 0 auto 0 0; width: 260px; transform: translateX(-105%); transition: transform .2s; z-index: 50; }
  .sf-shell.nav-open .sf-side { transform: none; }
  .btn.sf-burger { display: inline-flex; position: fixed; top: 12px; left: 12px; z-index: 60; }
  .sf-main { padding: 60px 16px 40px; }
}

/* ---------------------------------------------------------- surfaces */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
  padding: 16px 18px;
}
.card + .card { margin-top: 14px; }
.grid { display: grid; gap: 14px; }
.grid.c2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.c3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.c4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1100px) { .grid.c4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 760px) { .grid.c2, .grid.c3, .grid.c4 { grid-template-columns: 1fr; } }

.stat .label { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-3); }
.stat .value { font-size: 26px; font-weight: 700; font-variant-numeric: tabular-nums; margin-top: 2px; }
.stat .sub { font-size: 13px; color: var(--ink-2); }

/* ---------------------------------------------------------- tables */
.tbl-wrap { overflow-x: auto; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th { text-align: left; font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; color: var(--ink-3); padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.tbl td { padding: 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl tr:hover td { background: var(--surface-2); }

/* ---------------------------------------------------------- controls */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font: inherit; font-weight: 600; font-size: 14px;
  padding: 8px 14px; border-radius: var(--r-ctl);
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  cursor: pointer; text-decoration: none; white-space: nowrap;
}
.btn:hover { background: var(--surface-2); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { background: var(--accent-hi); }
.btn.danger { color: var(--bad); }
.btn.sm { padding: 5px 10px; font-size: 13px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

label.f { display: block; font-size: 13px; font-weight: 600; color: var(--ink-2); margin: 10px 0 4px; }
input, select, textarea {
  font: inherit; color: var(--ink); background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--r-ctl);
  padding: 8px 10px; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(var(--gl-action-rgb), .35); border-color: var(--accent); }
.row { display: flex; gap: 10px; align-items: end; flex-wrap: wrap; }
.row > * { flex: 1 1 160px; }
.row > .btn, .row > .shrink { flex: 0 0 auto; }

/* ---------------------------------------------------------- chips */
.chip { display: inline-flex; align-items: center; gap: 4px; padding: 2px 9px; border-radius: var(--r-chip); font-size: 12px; font-weight: 600; background: var(--info-bg); color: var(--ink-2); white-space: nowrap; }
.chip.ok { background: var(--ok-bg); color: var(--ok); }
.chip.warn { background: var(--warn-bg); color: var(--warn); }
.chip.bad { background: var(--bad-bg); color: var(--bad); }

.flash { padding: 10px 14px; border-radius: var(--r-ctl); margin-bottom: 14px; font-weight: 500; }
.flash.ok { background: var(--ok-bg); color: var(--ok); }
.flash.bad { background: var(--bad-bg); color: var(--bad); }
.flash.warn { background: var(--warn-bg); color: var(--warn); }

/* ---------------------------------------------------------- auth */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.auth-card { width: 100%; max-width: 380px; }
.auth-card .sf-brand { color: var(--ink); padding-left: 0; }

/* ---------------------------------------------------------- dispatch */
.dispatch { display: grid; grid-template-columns: 380px 1fr; gap: 14px; height: calc(100vh - 120px); min-height: 520px; }
.dispatch .panel { overflow-y: auto; }
.dispatch #map { border-radius: var(--r-card); border: 1px solid var(--line); min-height: 420px; }
@media (max-width: 1000px) { .dispatch { grid-template-columns: 1fr; height: auto; } .dispatch #map { height: 420px; } }
.route-card { border-left: 5px solid var(--route-color, var(--accent)); }
.stop { display: grid; grid-template-columns: 28px 1fr auto; gap: 8px; padding: 8px 0; border-top: 1px dashed var(--line); align-items: start; }
.stop:first-of-type { border-top: 0; }
.stop .seq { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; font-weight: 700; background: var(--route-color, var(--accent)); color: #fff; }
.stop.late .seq { background: var(--bad); }
.brk { font-size: 12px; color: var(--ink-2); padding: 4px 0 4px 36px; }

/* ---------------------------------------------------------- tracking page (public) */
.track { max-width: 520px; margin: 0 auto; padding: 16px; }
.track #map { height: 300px; border-radius: var(--r-card); border: 1px solid var(--line); }
.steps { list-style: none; padding: 0; margin: 12px 0; }
.steps li { padding: 8px 0 8px 28px; position: relative; color: var(--ink-3); }
.steps li::before { content: ''; position: absolute; left: 6px; top: 13px; width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.steps li.done { color: var(--ink); }
.steps li.done::before { background: var(--ok); }

/* ---------------------------------------------------------- heat calendar */
.heat { display: grid; grid-auto-flow: column; grid-template-rows: repeat(7, 12px); gap: 3px; }
.heat i { width: 12px; height: 12px; border-radius: 3px; background: var(--line); }
.heat i.l1 { background: rgba(var(--gl-action-rgb), .3); }
.heat i.l2 { background: rgba(var(--gl-action-rgb), .55); }
.heat i.l3 { background: rgba(var(--gl-action-rgb), .8); }
.heat i.miss { background: var(--bad); opacity: .7; }

@media print {
  .sf-side, .sf-burger, .sf-actions, .no-print { display: none !important; }
  .sf-shell { display: block; }
  body { background: #fff; }
  .card { box-shadow: none; border: 0; }
}