/* ==========================================================
   haulage-tracker — design tokens
   Industrial ops-console feel: dark steel surface, iron-ore
   ochre as the single accent, tabular data given real weight.
   ========================================================== */
:root {
  --ink-950: #14181c;
  --ink-900: #1b2126;
  --ink-800: #242c32;
  --ink-700: #313b42;
  --ink-600: #4a5760;
  --ink-400: #7c8b94;
  --ink-200: #c3ccd1;
  --paper:   #f4f2ee;

  --ore-500: #c1652c;   /* iron-ore accent — used sparingly */
  --ore-600: #a5531f;
  --ore-100: #f4e2d3;

  --ok-500:  #4f9d69;
  --warn-500:#d9a441;
  --danger-500:#c1442c;

  --font-display: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
  --font-body:    'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;

  --radius: 6px;
  --shadow: 0 1px 2px rgba(20,24,28,0.4), 0 4px 12px rgba(20,24,28,0.25);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--ink-950);
  color: var(--ink-200);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--font-display); color: #fff; margin: 0 0 0.4em; font-weight: 600; }
h1 { font-size: 1.6rem; letter-spacing: -0.01em; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1rem; color: var(--ink-200); }
p { margin: 0 0 0.8em; }
a { color: var(--ore-500); text-decoration: none; }
a:hover { text-decoration: underline; }

.num, .mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ---------- layout shell ---------- */
#navbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 4px;
  padding: 10px 16px;
  background: var(--ink-900);
  border-bottom: 1px solid var(--ink-700);
  overflow-x: auto;
  white-space: nowrap;
}
#navbar .brand {
  font-family: var(--font-display); font-weight: 700; color: #fff;
  margin-right: 18px; font-size: 1.05rem; letter-spacing: -0.02em;
  display: flex; align-items: center; gap: 8px;
}
#navbar .brand .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--ore-500); }
#navbar a.nav-link {
  color: var(--ink-400); padding: 7px 11px; border-radius: var(--radius);
  font-size: 0.88rem; font-weight: 500;
}
#navbar a.nav-link:hover { color: var(--ink-200); text-decoration: none; background: var(--ink-800); }
#navbar a.nav-link.active { color: #fff; background: var(--ink-800); }
#navbar .spacer { flex: 1; }
#navbar .user-chip {
  font-size: 0.82rem; color: var(--ink-400); display: flex; align-items: center; gap: 8px;
}
#navbar .role-badge {
  font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.04em;
  padding: 2px 7px; border-radius: 999px; background: var(--ink-800); color: var(--ore-500);
  border: 1px solid var(--ink-700);
}
#navbar #syncBadge {
  font-size: 0.72rem; padding: 3px 9px; border-radius: 999px; display: none;
  background: var(--warn-500); color: #1a1500; font-weight: 600;
}
#navbar #syncBadge.show { display: inline-block; }

.container { max-width: 1180px; margin: 0 auto; padding: 20px 16px 60px; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.page-head .actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- cards / panels ---------- */
.card {
  background: var(--ink-900); border: 1px solid var(--ink-700);
  border-radius: var(--radius); padding: 16px; margin-bottom: 16px;
}
.card-tight { padding: 12px 16px; }
.grid { display: grid; gap: 14px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 760px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } .grid-4 { grid-template-columns: repeat(2, 1fr); } }

.stat {
  background: var(--ink-900); border: 1px solid var(--ink-700); border-radius: var(--radius);
  padding: 14px 16px;
}
.stat .label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-400); margin-bottom: 6px; }
.stat .value { font-family: var(--font-mono); font-size: 1.5rem; color: #fff; font-weight: 600; }
.stat .value.accent { color: var(--ore-500); }
.stat .sub { font-size: 0.78rem; color: var(--ink-400); margin-top: 4px; }

/* ---------- forms ---------- */
label { display: block; font-size: 0.78rem; color: var(--ink-400); margin-bottom: 4px; font-weight: 500; }
.field { margin-bottom: 12px; }
input, select, textarea {
  width: 100%; background: var(--ink-800); border: 1px solid var(--ink-700); color: #fff;
  border-radius: var(--radius); padding: 9px 10px; font-size: 0.92rem; font-family: var(--font-body);
}
input.mono, textarea.mono { font-family: var(--font-mono); }
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--ore-500); outline-offset: 1px; border-color: var(--ore-500);
}
textarea { resize: vertical; min-height: 60px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > .field { flex: 1; min-width: 140px; }

button, .btn {
  display: inline-flex; align-items: center; gap: 6px; justify-content: center;
  background: var(--ink-800); color: var(--ink-200); border: 1px solid var(--ink-700);
  border-radius: var(--radius); padding: 9px 14px; font-size: 0.88rem; font-weight: 600;
  cursor: pointer; font-family: var(--font-body); text-decoration: none;
}
button:hover, .btn:hover { background: var(--ink-700); color: #fff; text-decoration: none; }
button.primary, .btn.primary { background: var(--ore-500); border-color: var(--ore-600); color: #fff; }
button.primary:hover, .btn.primary:hover { background: var(--ore-600); }
button.danger { background: transparent; border-color: var(--danger-500); color: var(--danger-500); }
button.danger:hover { background: var(--danger-500); color: #fff; }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.block { width: 100%; }

/* ---------- tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--ink-800); white-space: nowrap; }
th { color: var(--ink-400); font-weight: 600; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.04em; }
tbody tr:hover { background: var(--ink-800); }
.table-wrap { overflow-x: auto; }
td.num, th.num { text-align: right; font-family: var(--font-mono); }

/* ---------- badges / flags ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 5px; font-size: 0.72rem; font-weight: 600;
  padding: 2px 8px; border-radius: 999px; text-transform: uppercase; letter-spacing: 0.03em;
}
.badge.ok      { background: rgba(79,157,105,0.15); color: var(--ok-500); }
.badge.warn    { background: rgba(217,164,65,0.15); color: var(--warn-500); }
.badge.danger  { background: rgba(193,68,44,0.15); color: var(--danger-500); }
.badge.neutral { background: var(--ink-800); color: var(--ink-400); }

/* ---------- misc ---------- */
.muted { color: var(--ink-400); }
.hr { border: none; border-top: 1px solid var(--ink-800); margin: 14px 0; }
#alert {
  padding: 10px 14px; border-radius: var(--radius); margin-bottom: 14px; font-size: 0.88rem; display: none;
}
#alert.show { display: block; }
#alert.error   { background: rgba(193,68,44,0.12); border: 1px solid var(--danger-500); color: #f3c9c0; }
#alert.success { background: rgba(79,157,105,0.12); border: 1px solid var(--ok-500); color: #c8e6d0; }

.empty-state { text-align: center; padding: 40px 20px; color: var(--ink-400); }
.empty-state .icon { font-size: 2rem; margin-bottom: 8px; opacity: 0.6; }

/* ---------- responsive tables: stacked cards on mobile ---------- */
@media (max-width: 700px) {
  .stat { padding: 12px 14px; }
  .stat .value { font-size: 1.25rem; }

  .table-wrap table, .table-wrap tbody, .table-wrap tr, .table-wrap td { display: block; width: 100%; }
  .table-wrap thead { display: none; }
  .table-wrap tbody tr {
    background: var(--ink-800);
    border: 1px solid var(--ink-700);
    border-radius: var(--radius);
    padding: 4px 12px;
    margin-bottom: 10px;
  }
  .table-wrap tbody tr:hover { background: var(--ink-800); }
  .table-wrap td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 7px 0;
    border-bottom: 1px solid var(--ink-700);
    white-space: normal;
    text-align: right;
    font-family: var(--font-body);
  }
  .table-wrap td:last-child { border-bottom: none; }
  .table-wrap td.num { font-family: var(--font-mono); }
  .table-wrap td::before {
    content: attr(data-label);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--ink-400);
    font-weight: 600;
    text-align: left;
    margin-right: 10px;
    flex-shrink: 0;
    font-family: var(--font-body);
  }
  .table-wrap td:not([data-label])::before { content: none; }
}

/* Weighbridge capture — big legible numeric inputs for field use */
.weigh-group {
  background: var(--ink-800); border: 1px solid var(--ink-700); border-radius: var(--radius);
  padding: 14px; margin-bottom: 12px;
}
.weigh-group h3 { margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.weigh-group .point-tag {
  font-size: 0.68rem; background: var(--ore-500); color: #fff; padding: 2px 8px; border-radius: 4px;
}
.weigh-group input[type="number"] { font-size: 1.1rem; font-family: var(--font-mono); padding: 12px 10px; }

/* Login */
.login-shell { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-card { width: 100%; max-width: 380px; }
.login-card .brand { text-align: center; margin-bottom: 22px; }
.login-card .brand .dot { width: 12px; height: 12px; border-radius: 50%; background: var(--ore-500); display: inline-block; margin-right: 8px; }

/* Login page background flourish */
.login-shell { background: radial-gradient(circle at 50% 0%, #22292f 0%, var(--ink-950) 60%); }