/* =====================================================================
   Vehicle Usage & Fuel Tracker
   Design language: "dashboard gauge" - deep instrument-panel navy with a
   single amber needle accent (echoes a fuel/speed gauge), monospace
   figures for anything numeric (odometer, currency, distance) so digits
   in tables line up like a real trip computer.
   ===================================================================== */

:root {
  --navy-950: #0b1220;
  --navy-900: #10192e;
  --navy-800: #182544;
  --navy-700: #223055;
  --navy-600: #2e3f6b;
  --paper: #f6f5f1;
  --paper-dim: #e7e4db;
  --amber: #e8a13d;
  --amber-dim: #b97f28;
  --green: #4caf7d;
  --red: #d9634a;
  --ink: #1a2030;
  --ink-soft: #5b6478;

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

  --radius: 10px;
  --shadow: 0 8px 24px rgba(11, 18, 32, 0.12);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.5;
  min-height: 100vh;
}

a { color: inherit; }

h1, h2, h3, .display {
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}

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

/* ---------- Layout shell ---------- */
.app-shell { min-height: 100vh; display: flex; flex-direction: column; }

.topbar {
  background: var(--navy-950);
  color: var(--paper);
  padding: 0.9rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 40;
  box-shadow: var(--shadow);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  color: var(--paper);
}

.brand .dial {
  width: 26px; height: 26px; border-radius: 50%;
  background: conic-gradient(var(--amber) 0deg 250deg, var(--navy-700) 250deg 360deg);
  position: relative;
  flex-shrink: 0;
}
.brand .dial::after {
  content: "";
  position: absolute; inset: 5px;
  border-radius: 50%;
  background: var(--navy-950);
}

.topnav { display: flex; gap: 0.25rem; align-items: center; }
.topnav a {
  color: var(--paper-dim);
  text-decoration: none;
  padding: 0.55rem 0.8rem;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 500;
  transition: background 0.15s ease, color 0.15s ease;
}
.topnav a:hover, .topnav a.active { background: var(--navy-800); color: var(--amber); }

.icon-btn {
  background: transparent;
  border: 1px solid var(--navy-700);
  color: var(--paper-dim);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.88rem;
}
.icon-btn:hover { border-color: var(--amber); color: var(--amber); }

.menu-toggle {
  display: none;
  background: none; border: none; color: var(--paper);
  font-size: 1.4rem; cursor: pointer; padding: 0.25rem 0.5rem;
}

main.container {
  flex: 1;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 4rem;
}

/* ---------- Cards & sections ---------- */
.card {
  background: #fff;
  border: 1px solid var(--paper-dim);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.25rem;
}

.card-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 0 0 1rem;
  flex-wrap: wrap;
}
.card-title h2 { margin: 0; font-size: 1.15rem; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  color: var(--ink-soft);
  font-weight: 600;
}

/* ---------- Stat gauges (dashboard) ---------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.stat {
  background: var(--navy-950);
  color: var(--paper);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
  position: relative;
  overflow: hidden;
}
.stat::before {
  content: "";
  position: absolute; right: -30px; top: -30px;
  width: 100px; height: 100px; border-radius: 50%;
  background: radial-gradient(circle, rgba(232,161,61,0.18), transparent 70%);
}
.stat .label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--paper-dim); }
.stat .value { font-family: var(--font-mono); font-size: 1.7rem; font-weight: 700; margin-top: 0.35rem; color: var(--amber); }
.stat .sub { font-size: 0.78rem; color: var(--paper-dim); margin-top: 0.15rem; }
.stat.alt .value { color: var(--green); }

/* ---------- Forms ---------- */
label { display: block; font-weight: 600; font-size: 0.85rem; margin-bottom: 0.3rem; color: var(--ink); }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
.field { margin-bottom: 1rem; }
.field.full { grid-column: 1 / -1; }

input[type=text], input[type=date], input[type=number], input[type=email],
input[type=password], select, textarea {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1.5px solid var(--paper-dim);
  border-radius: 8px;
  font-size: 1rem;
  font-family: var(--font-body);
  background: #fff;
  color: var(--ink);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(232, 161, 61, 0.22);
}
input:invalid:not(:placeholder-shown) { border-color: var(--red); }

.hint { font-size: 0.78rem; color: var(--ink-soft); margin-top: 0.3rem; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: none;
  border-radius: 8px;
  padding: 0.7rem 1.2rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.08s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--amber); color: var(--navy-950); }
.btn-primary:hover { background: #f0ac48; box-shadow: 0 4px 14px rgba(232,161,61,0.35); }
.btn-secondary { background: var(--navy-900); color: var(--paper); }
.btn-secondary:hover { background: var(--navy-800); }
.btn-ghost { background: transparent; color: var(--ink-soft); border: 1.5px solid var(--paper-dim); }
.btn-ghost:hover { border-color: var(--ink-soft); color: var(--ink); }
.btn-danger { background: #fbeae5; color: var(--red); }
.btn-danger:hover { background: #f6d9d1; }
.btn-sm { padding: 0.4rem 0.7rem; font-size: 0.82rem; border-radius: 6px; }
.btn-block { width: 100%; justify-content: center; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--paper-dim); }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; min-width: 640px; }
thead th {
  background: var(--navy-950);
  color: var(--paper);
  text-align: left;
  padding: 0.7rem 0.85rem;
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
tbody td { padding: 0.65rem 0.85rem; border-bottom: 1px solid var(--paper-dim); vertical-align: top; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #fbfaf7; }
td.num, th.num { text-align: right; }

.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.badge-business { background: #e4f2ea; color: #1f7a4d; }
.badge-personal { background: #eef1fb; color: #40529c; }
.badge-mixed { background: #fbeee0; color: #a15c1e; }
.badge-ok { background: #e4f2ea; color: #1f7a4d; }
.badge-check { background: #fbeae5; color: var(--red); }

.row-actions { display: flex; gap: 0.4rem; white-space: nowrap; }

/* ---------- Flash messages ---------- */
.flash { padding: 0.85rem 1rem; border-radius: 8px; margin-bottom: 1rem; font-size: 0.92rem; }
.flash-success { background: #e4f2ea; color: #1f7a4d; }
.flash-error { background: #fbeae5; color: #a3341f; }
.flash-info { background: #eaf1fb; color: #23508c; }

/* ---------- Auth pages ---------- */
.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 20% 20%, var(--navy-800), var(--navy-950) 65%);
  padding: 1.5rem;
}
.auth-card {
  background: #fff;
  border-radius: 14px;
  padding: 2.2rem 2rem;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
}
.auth-card .brand { color: var(--ink); justify-content: center; margin-bottom: 0.4rem; }
.auth-card h1 { text-align: center; font-size: 1.3rem; margin: 0 0 0.25rem; }
.auth-card .sub { text-align: center; color: var(--ink-soft); font-size: 0.88rem; margin-bottom: 1.5rem; }
.auth-foot { text-align: center; margin-top: 1.2rem; font-size: 0.88rem; color: var(--ink-soft); }

/* ---------- Utility ---------- */
.flex { display: flex; align-items: center; gap: 0.6rem; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; flex-wrap: wrap; }
.text-muted { color: var(--ink-soft); }
.mt-0 { margin-top: 0; }
.section-gap { margin-top: 2rem; }
.year-pill-form { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }
.progress-track { height: 8px; background: var(--paper-dim); border-radius: 999px; overflow: hidden; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--amber-dim), var(--amber)); }

.empty-state { text-align: center; padding: 2.5rem 1rem; color: var(--ink-soft); }
.empty-state .display { font-size: 1.1rem; color: var(--ink); margin-bottom: 0.4rem; }

/* ---------- Responsive ---------- */
@media (max-width: 800px) {
  .menu-toggle { display: inline-block; }
  .topnav {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--navy-950);
    flex-direction: column;
    align-items: stretch;
    padding: 0.5rem;
    display: none;
    border-bottom: 1px solid var(--navy-700);
  }
  .topnav.open { display: flex; }
  .topnav a { padding: 0.85rem 1rem; }
  main.container { padding: 1.1rem 0.85rem 3rem; }
  .card { padding: 1rem; }
  table { min-width: 560px; }
}

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