:root {
  --bg: #0f1115;
  --bg-2: #171a21;
  --bg-3: #1e232c;
  --panel: #1a1e26;
  --border: #2a2f3a;
  --border-2: #363d4a;
  --text: #e6e9ef;
  --text-dim: #9aa4b2;
  --text-faint: #6b7480;
  --accent: #4ea1ff;
  --accent-2: #3b82f6;
  --green: #3fb950;
  --amber: #d29922;
  --red: #f85149;
  --radius: 10px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
  font-size: 15px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { margin: 0 0 0.5rem; font-weight: 600; }
h1 { font-size: 1.6rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.05rem; }

/* ---------- Layout ---------- */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px;
  background: var(--bg-2);
  border-right: 1px solid var(--border);
  padding: 1.25rem 0.75rem;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand {
  font-weight: 700;
  font-size: 1.1rem;
  padding: 0.25rem 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.brand .logo { font-size: 1.4rem; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  color: var(--text-dim);
  cursor: pointer;
  margin-bottom: 2px;
  font-weight: 500;
}
.nav-link:hover { background: var(--bg-3); color: var(--text); text-decoration: none; }
.nav-link.active { background: var(--accent-2); color: #fff; }
.nav-spacer { flex: 1; }
.nav-user { padding: 0.75rem; border-top: 1px solid var(--border); color: var(--text-dim); font-size: 0.85rem; }

.main { flex: 1; padding: 1.75rem 2rem; max-width: 1200px; }
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.25rem; gap: 1rem; flex-wrap: wrap; }

/* ---------- Cards / panels ---------- */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  margin-bottom: 1.25rem;
}
.grid { display: grid; gap: 1.1rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.stat { display: flex; flex-direction: column; gap: 2px; }
.stat .value { font-size: 1.5rem; font-weight: 700; }
.stat .label { color: var(--text-dim); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; }
.stat-row { display: flex; gap: 1.5rem; flex-wrap: wrap; }

.muted { color: var(--text-dim); }
.faint { color: var(--text-faint); }
.small { font-size: 0.85rem; }
.right { text-align: right; }
.row { display: flex; gap: 0.6rem; align-items: center; flex-wrap: wrap; }
.spread { display: flex; justify-content: space-between; align-items: center; gap: 0.75rem; }
.stack > * + * { margin-top: 0.4rem; }

/* ---------- Badges ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 9px; border-radius: 999px; font-size: 0.75rem; font-weight: 600;
  background: var(--bg-3); color: var(--text-dim); border: 1px solid var(--border-2);
}
.badge.ok { color: var(--green); border-color: rgba(63,185,80,0.35); background: rgba(63,185,80,0.1); }
.badge.upcoming { color: var(--amber); border-color: rgba(210,153,34,0.35); background: rgba(210,153,34,0.1); }
.badge.overdue { color: var(--red); border-color: rgba(248,81,73,0.35); background: rgba(248,81,73,0.1); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: var(--bg-3); color: var(--text);
  border: 1px solid var(--border-2); border-radius: 8px;
  padding: 0.5rem 0.9rem; font-size: 0.9rem; font-weight: 500; cursor: pointer;
  font-family: inherit;
}
.btn:hover { background: #262c37; }
.btn.primary { background: var(--accent-2); border-color: var(--accent-2); color: #fff; }
.btn.primary:hover { background: #2f6fd6; }
.btn.danger { color: var(--red); border-color: rgba(248,81,73,0.4); }
.btn.danger:hover { background: rgba(248,81,73,0.12); }
.btn.small { padding: 0.3rem 0.6rem; font-size: 0.8rem; }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.ghost:hover { background: var(--bg-3); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---------- Forms ---------- */
label.field { display: block; margin-bottom: 0.85rem; }
label.field .lbl { display: block; font-size: 0.82rem; color: var(--text-dim); margin-bottom: 0.3rem; }
input, select, textarea {
  width: 100%; background: var(--bg); color: var(--text);
  border: 1px solid var(--border-2); border-radius: 8px;
  padding: 0.55rem 0.7rem; font-size: 0.92rem; font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
textarea { resize: vertical; min-height: 64px; }
.form-row { display: flex; gap: 0.85rem; }
.form-row > * { flex: 1; }
.checkbox { display: inline-flex; align-items: center; gap: 0.5rem; }
.checkbox input { width: auto; }

.search-select-dropdown {
  position: absolute; top: calc(100% + 4px); left: 0; right: 0; z-index: 30;
  background: var(--bg-2); border: 1px solid var(--border-2); border-radius: 8px;
  max-height: 260px; overflow-y: auto; box-shadow: var(--shadow);
}
.search-select-item { padding: 0.5rem 0.7rem; cursor: pointer; font-size: 0.9rem; }
.search-select-item:hover { background: var(--bg-3); }
.search-select-sub { font-size: 0.75rem; color: var(--text-faint); }
.search-select-empty { padding: 0.6rem 0.7rem; color: var(--text-faint); font-size: 0.85rem; }

/* ---------- Catalog match list (shared cross-account parts lookup) ---------- */
.catalog-list { max-height: 280px; overflow-y: auto; margin: 0.5rem 0; }
.catalog-match {
  padding: 0.55rem 0.7rem; border: 1px solid var(--border); border-radius: 8px;
  margin-bottom: 0.4rem; cursor: pointer;
}
.catalog-match:hover { background: var(--bg-3); border-color: var(--border-2); }
.catalog-match-detail {
  display: none; margin-top: 0.4rem; padding-top: 0.4rem; border-top: 1px solid var(--border);
  font-size: 0.8rem; color: var(--text-dim); line-height: 1.5;
}
.catalog-match:hover .catalog-match-detail { display: block; }

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.6rem 0.7rem; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
th { color: var(--text-dim); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.03em; }
tr:hover td { background: var(--bg-2); }
td.actions { white-space: nowrap; text-align: right; }

/* ---------- Calendar ---------- */
.calendar { }
.cal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.75rem; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.cal-dow { text-align: center; color: var(--text-dim); font-size: 0.72rem; text-transform: uppercase; padding-bottom: 4px; }
.cal-cell {
  min-height: 78px; background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 6px; padding: 4px 5px; font-size: 0.75rem; overflow: hidden;
}
.cal-cell.other { opacity: 0.4; }
.cal-cell.today { border-color: var(--accent); }
.cal-date { color: var(--text-dim); font-weight: 600; font-size: 0.72rem; }
.cal-ride {
  margin-top: 3px; background: var(--accent-2); color: #fff; border-radius: 4px;
  padding: 1px 5px; font-size: 0.7rem; white-space: nowrap; overflow: hidden;
  text-overflow: ellipsis; cursor: pointer;
}
.cal-ride.unassigned { background: var(--bg-3); color: var(--text-dim); border: 1px solid var(--border-2); }

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 4rem 1rem; z-index: 100; overflow-y: auto;
}
.modal {
  background: var(--bg-2); border: 1px solid var(--border-2);
  border-radius: 12px; box-shadow: var(--shadow);
  width: 100%; max-width: 560px; padding: 1.5rem;
}
.modal.wide { max-width: 820px; }
.modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.modal-close { cursor: pointer; color: var(--text-dim); font-size: 1.4rem; line-height: 1; background: none; border: none; }
.modal-actions { display: flex; justify-content: flex-end; gap: 0.6rem; margin-top: 1.25rem; }

/* ---------- Toast ---------- */
#toast-root { position: fixed; bottom: 1.25rem; right: 1.25rem; z-index: 200; display: flex; flex-direction: column; gap: 0.5rem; }
.toast {
  background: var(--bg-3); border: 1px solid var(--border-2); border-left: 3px solid var(--accent);
  padding: 0.7rem 1rem; border-radius: 8px; box-shadow: var(--shadow); min-width: 220px;
  animation: slidein 0.2s ease;
}
.toast.success { border-left-color: var(--green); }
.toast.error { border-left-color: var(--red); }
@keyframes slidein { from { transform: translateX(20px); opacity: 0; } to { transform: none; opacity: 1; } }

/* ---------- Auth ---------- */
.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 1rem; }
.auth-card { width: 100%; max-width: 380px; }
.auth-card .brand { justify-content: center; font-size: 1.3rem; }
.auth-tabs { display: flex; margin-bottom: 1.25rem; border: 1px solid var(--border-2); border-radius: 8px; overflow: hidden; }
.auth-tabs button { flex: 1; background: var(--bg-2); border: none; color: var(--text-dim); padding: 0.6rem; cursor: pointer; font-family: inherit; font-size: 0.9rem; }
.auth-tabs button.active { background: var(--accent-2); color: #fff; }
.err { color: var(--red); font-size: 0.85rem; margin-top: 0.5rem; min-height: 1.1rem; }

/* ---------- Misc ---------- */
.pill-select { display: inline-flex; gap: 6px; flex-wrap: wrap; }
.chip { background: var(--bg-3); border: 1px solid var(--border-2); border-radius: 999px; padding: 3px 10px; font-size: 0.8rem; cursor: pointer; }
.chip.active { background: var(--accent-2); border-color: var(--accent-2); color: #fff; }
.empty { text-align: center; color: var(--text-faint); padding: 2rem 1rem; }
.divider { height: 1px; background: var(--border); margin: 1rem 0; }
.list-item { display: flex; justify-content: space-between; align-items: center; padding: 0.55rem 0; border-bottom: 1px solid var(--border); }
.list-item:last-child { border-bottom: none; }
.tag { font-size: 0.72rem; color: var(--text-faint); }
.hl { color: var(--text); font-weight: 600; }
.scroll-x { overflow-x: auto; }
@media (max-width: 720px) {
  .sidebar { width: 60px; }
  .brand span:not(.logo), .nav-link span:not(.ic), .nav-user { display: none; }
  .main { padding: 1rem; }
}