/* =====================================================================
   FDTracker - Dark Gray (primary) + Cloud White (secondary)
   Each page sets --accent on <body> (see FD_NAV in includes/icons.php)

   Themes: light tokens on :root; dark tokens apply when the user picks
   Dark (<html data-theme="dark">) or picks Auto and the device is dark.
   ===================================================================== */
:root {
  /* fixed brand grays */
  --gray-900: #1E1F22;
  --gray-800: #2B2D31;   /* main dark gray */
  --gray-700: #383A40;
  --gray-600: #4E5058;
  --gray-400: #949BA4;
  --cloud:    #F5F7FA;   /* cloud white */
  --success:  #22C55E;
  --danger:   #EF4444;
  --warning:  #EAB308;
  --accent:   #3B82F6;
  --on-accent: #FFFFFF;
  --radius:   12px;

  /* theme tokens - light */
  color-scheme: light;
  --bg:       #F5F7FA;
  --surface:  #FFFFFF;
  --field:    #F5F7FA;
  --border:   #E8ECF2;
  --text:     #2B2D31;
  --muted:    #6B7280;
  --label:    #383A40;
  --sidebar:  #2B2D31;
  --auth-bg:  #2B2D31;
  --btn-dark: #2B2D31;
  --brand-green: #16A34A;
  --ok-bg:   #DCFCE7; --ok-fg:   #166534;
  --err-bg:  #FEE2E2; --err-fg:  #991B1B;
  --info-bg: #DBEAFE; --info-fg: #1E40AF;
  --warn-bg: #FEF3C7; --warn-fg: #92400E;
  --row-alt:   #F5F7FA;
  --row-hover: #EAF0F7;
  --shadow:   0 1px 2px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.06);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg:       #1E1F22;
    --surface:  #2B2D31;
    --field:    #232428;
    --border:   #3A3D44;
    --text:     #E6E8EB;
    --muted:    #9BA1A9;
    --label:    #C4C9D0;
    --sidebar:  #17181A;
    --auth-bg:  #111214;
    --btn-dark: #4E5058;
    --brand-green: #4ADE80;
    --ok-bg:   rgba(34,197,94,.16);  --ok-fg:   #4ADE80;
    --err-bg:  rgba(239,68,68,.16);  --err-fg:  #F87171;
    --info-bg: rgba(59,130,246,.18); --info-fg: #93C5FD;
    --warn-bg: rgba(234,179,8,.18);  --warn-fg: #FCD34D;
    --row-alt:   rgba(255,255,255,.04);
    --row-hover: rgba(255,255,255,.08);
    --shadow:   0 1px 2px rgba(0,0,0,.4), 0 4px 16px rgba(0,0,0,.25);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg:       #1E1F22;
  --surface:  #2B2D31;
  --field:    #232428;
  --border:   #3A3D44;
  --text:     #E6E8EB;
  --muted:    #9BA1A9;
  --label:    #C4C9D0;
  --sidebar:  #17181A;
  --auth-bg:  #111214;
  --btn-dark: #4E5058;
  --brand-green: #4ADE80;
  --ok-bg:   rgba(34,197,94,.16);  --ok-fg:   #4ADE80;
  --err-bg:  rgba(239,68,68,.16);  --err-fg:  #F87171;
  --info-bg: rgba(59,130,246,.18); --info-fg: #93C5FD;
  --warn-bg: rgba(234,179,8,.18);  --warn-fg: #FCD34D;
  --row-alt:   rgba(255,255,255,.04);
  --row-hover: rgba(255,255,255,.08);
  --shadow:   0 1px 2px rgba(0,0,0,.4), 0 4px 16px rgba(0,0,0,.25);
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font-size: 15px; }
a { color: var(--accent); }
.icon { flex-shrink: 0; vertical-align: middle; }

/* ---------- Layout ---------- */
.sidebar {
  position: fixed; inset: 0 auto 0 0; width: 240px; background: var(--sidebar); color: var(--cloud);
  display: flex; flex-direction: column; padding: 18px 12px; z-index: 50; transition: transform .2s;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--cloud); text-decoration: none; font-size: 20px; padding: 4px 8px 20px; }
.brand b { color: #4ADE80; font-weight: 700; }
.sidebar nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.nav-link {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 10px;
  color: var(--gray-400); text-decoration: none; font-weight: 500;
}
.nav-link .icon { color: var(--nav-color, var(--gray-400)); }
.nav-link:hover { background: var(--gray-700); color: var(--cloud); }
.nav-link.active { background: var(--gray-700); color: var(--cloud); box-shadow: inset 3px 0 0 var(--nav-color); }
.nav-tag { margin-left: auto; font-size: 10px; font-weight: 700; text-transform: uppercase; color: #FBBF24; border: 1px solid #FBBF24; border-radius: 99px; padding: 1px 6px; }
.sidebar-foot { border-top: 1px solid var(--gray-700); padding-top: 12px; }
.user-chip { display: flex; gap: 10px; align-items: center; padding: 6px 8px 10px; }
.user-chip strong { display: block; font-size: 14px; }
.user-chip small { font-size: 12px; color: var(--gray-400); }
.avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--gray-600); display: grid; place-items: center; font-weight: 700; }
.plan-pro { color: #60A5FA !important; } .plan-premium { color: #FBBF24 !important; }

.main { margin-left: 240px; min-height: 100vh; }
.topbar {
  position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 12px;
  background: var(--surface); border-bottom: 3px solid var(--accent); padding: 14px 28px;
}
.topbar h1 { margin: 0; font-size: 20px; display: flex; align-items: center; gap: 10px; flex: 1; }
.page-icon { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; background: var(--accent); color: var(--on-accent); }
.menu-btn { display: none; background: none; border: 0; cursor: pointer; color: var(--text); }
.gps-pill { display: inline-flex; gap: 6px; align-items: center; font-size: 12px; padding: 5px 10px; border-radius: 99px; background: var(--border); color: var(--muted); }
.gps-pill.on { background: var(--ok-bg); color: var(--ok-fg); }
.gps-pill.err { background: var(--err-bg); color: var(--err-fg); }
.content { padding: 28px; max-width: 1200px; }

/* ---------- Components ---------- */
.card { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px; margin-bottom: 22px; }
.card h2 { margin: 0 0 16px; font-size: 17px; display: flex; align-items: center; gap: 8px; }
.card h2 .icon { color: var(--accent); }
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.stat { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; display: flex; gap: 14px; align-items: center; border-top: 4px solid var(--c, var(--accent)); }
.stat .stat-icon { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; color: var(--on-accent); background: var(--c, var(--accent)); }
.stat small { color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: .04em; }
.stat strong { display: block; font-size: 26px; margin-top: 2px; }

label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 6px; color: var(--label); }
input[type=text], input[type=password], input[type=number], input[type=date], select, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 9px; background: var(--field);
  font: inherit; color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 0; background: var(--surface); }
input[readonly] { color: var(--muted); }
::placeholder { color: var(--muted); opacity: .8; }
.field { margin-bottom: 16px; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 0 16px; }
.hint { font-size: 12px; color: var(--muted); margin-top: 4px; }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: 9px; border: 0; cursor: pointer; font: inherit; font-weight: 600; text-decoration: none; background: var(--accent); color: var(--on-accent); }
.btn:hover { filter: brightness(1.08); }
.btn-dark { background: var(--btn-dark); }
.btn-light { background: var(--border); color: var(--text); }
.btn-danger { background: var(--danger); }
.btn-sm { padding: 6px 10px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.alert { padding: 12px 16px; border-radius: 10px; margin-bottom: 18px; font-weight: 500; }
.alert-success { background: var(--ok-bg);   color: var(--ok-fg); }
.alert-error   { background: var(--err-bg);  color: var(--err-fg); }
.alert-info    { background: var(--info-bg); color: var(--info-fg); }

table { width: 100%; border-collapse: collapse; }
.table-wrap { overflow-x: auto; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 14px; white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
/* Zebra rows: the header row is row 1, so every second data row (3, 5, ...) is shaded */
tr:nth-child(odd):has(td) { background: var(--row-alt); }
tr:has(td):hover { background: var(--row-hover); }
.num { text-align: right; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 99px; font-size: 12px; font-weight: 600; background: var(--border); color: var(--text); }
.badge-auto { background: var(--ok-bg); color: var(--ok-fg); }
.badge-active { background: var(--warn-bg); color: var(--warn-fg); }

.tabs { display: flex; gap: 6px; background: var(--border); padding: 4px; border-radius: 10px; width: fit-content; flex-wrap: wrap; }
.tabs a, .tabs button, .tabs label { padding: 8px 16px; border-radius: 8px; text-decoration: none; color: var(--text); font-weight: 600; border: 0; background: none; cursor: pointer; font: inherit; margin: 0; }
.tabs .active { background: var(--surface); color: var(--accent); box-shadow: var(--shadow); }
.toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; margin-bottom: 22px; }
.toolbar .field { margin: 0; }

/* Theme picker (User Setup) */
.theme-picker { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 16px; }
.theme-option { position: relative; margin: 0; cursor: pointer; font-weight: 600; text-align: center; }
.theme-option input { position: absolute; opacity: 0; }
.theme-option span { display: block; padding: 12px 8px; border: 2px solid var(--border); border-radius: 10px; color: var(--text); }
.theme-option input:checked + span { border-color: var(--accent); color: var(--accent); }
.theme-option input:focus-visible + span { outline: 2px solid var(--accent); }
.swatch { display: block; height: 34px; border-radius: 6px; margin-bottom: 8px; border: 1px solid var(--border); }
.swatch-auto  { background: linear-gradient(135deg, #F5F7FA 50%, #1E1F22 50%); }
.swatch-light { background: #F5F7FA; }
.swatch-dark  { background: #1E1F22; }

/* Vehicle image */
.image-drop { border: 2px dashed var(--border); border-radius: var(--radius); aspect-ratio: 16/9; display: grid; place-items: center; overflow: hidden; background: var(--field); position: relative; cursor: pointer; color: var(--muted); text-align: center; }
.image-drop img { width: 100%; height: 100%; object-fit: cover; }
.image-drop input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.vehicle-thumb { width: 64px; height: 40px; object-fit: cover; border-radius: 6px; background: var(--border); }

/* Plans */
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.plan { border: 2px solid var(--border); border-radius: var(--radius); padding: 18px; }
.plan.current { border-color: var(--accent); }
.plan h3 { margin: 0; } .plan .price { font-size: 28px; font-weight: 700; margin: 8px 0; }
.plan ul { padding-left: 18px; color: var(--muted); font-size: 14px; min-height: 90px; }

/* Driver map */
#map { height: 520px; border-radius: var(--radius); z-index: 1; background: var(--field); }
/* Dark map: invert the standard street tiles (markers and labels stay normal) */
:root[data-theme="dark"] #map .leaflet-tile-pane { filter: invert(1) hue-rotate(180deg) brightness(.9) contrast(.9); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) #map .leaflet-tile-pane { filter: invert(1) hue-rotate(180deg) brightness(.9) contrast(.9); }
}
.big-count { font-size: 56px; font-weight: 800; color: var(--accent); line-height: 1; }

/* Login */
.auth-body { background: var(--auth-bg); min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.auth-card { background: var(--bg); border-radius: 18px; padding: 36px; width: 100%; max-width: 400px; box-shadow: 0 20px 60px rgba(0,0,0,.4); }
.auth-card .brand { color: var(--text); justify-content: center; padding-bottom: 8px; font-size: 26px; }
.auth-card .brand b { color: var(--brand-green); }
.auth-card p.sub { text-align: center; color: var(--muted); margin: 0 0 24px; }
.auth-card .btn { width: 100%; justify-content: center; background: var(--btn-dark); }
.auth-card-wide { max-width: 640px; }
.plan-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 16px; }
.plan-option { position: relative; margin: 0; cursor: pointer; font-weight: 400; }
.plan-option input { position: absolute; opacity: 0; }
.plan-option-body { display: block; height: 100%; padding: 12px; border: 2px solid var(--border); border-radius: 12px; background: var(--surface); color: var(--text); }
.plan-option-body strong { display: block; font-size: 15px; }
.plan-option-body .price { display: block; font-size: 20px; font-weight: 700; margin: 4px 0; }
.plan-option-body .price small { font-size: 12px; color: var(--muted); font-weight: 500; }
.plan-option-body ul { margin: 0; padding-left: 16px; font-size: 12px; color: var(--muted); }
.plan-option input:checked + .plan-option-body { border-color: var(--brand-green); box-shadow: 0 0 0 3px rgba(22,163,74,.2); }
.plan-option input:focus-visible + .plan-option-body { outline: 2px solid var(--brand-green); }
@media (max-width: 560px) { .plan-options { grid-template-columns: 1fr; } }

/* Mobile */
@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: none; box-shadow: 0 0 40px rgba(0,0,0,.4); }
  .main { margin-left: 0; }
  .menu-btn { display: block; }
  .content { padding: 18px; }
  .topbar { padding: 12px 16px; }
  .tabs { width: 100%; display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; }
  .tabs a, .tabs button { padding: 8px 6px; text-align: center; font-size: 14px; }
  .grid-4 { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat { flex-direction: column; align-items: flex-start; gap: 10px; padding: 14px; }
  .stat strong { font-size: 21px; }
}