:root {
  --radius: 12px;
  --gap: 16px;
  --maxw: 1200px;
}
:root[data-theme="dark"] {
  --bg: #0f172a; --surface: #1e293b; --surface-2: #273449;
  --text: #e2e8f0; --muted: #94a3b8; --border: #334155;
  --primary: #38bdf8; --primary-ink: #04283a; --danger: #f87171;
}
:root[data-theme="light"] {
  --bg: #f1f5f9; --surface: #ffffff; --surface-2: #f8fafc;
  --text: #0f172a; --muted: #64748b; --border: #e2e8f0;
  --primary: #0284c7; --primary-ink: #ffffff; --danger: #dc2626;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg); color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.muted { color: var(--muted); }
.small { font-size: 13px; }
.boot { display: grid; place-items: center; min-height: 100vh; color: var(--muted); }
.boot.error { color: var(--danger); text-align: center; padding: 24px; }
code { background: var(--surface-2); padding: 1px 5px; border-radius: 5px; }

/* Brand */
.brand { display: flex; align-items: baseline; gap: 4px; font-weight: 800; letter-spacing: .5px; }
.brand .logo { color: var(--primary); }
.brand .os { color: var(--muted); font-weight: 600; }

/* Botones / inputs */
.btn { border: 1px solid var(--border); background: var(--surface-2); color: var(--text);
  padding: 10px 16px; border-radius: var(--radius); cursor: pointer; font-weight: 600; }
.btn.primary { background: var(--primary); color: var(--primary-ink); border-color: transparent; width: 100%; }
.btn.ghost { background: transparent; }
.btn:disabled { opacity: .6; cursor: default; }
.icon-btn { background: transparent; border: 0; color: var(--text); font-size: 18px; cursor: pointer; padding: 6px; }
label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); margin-bottom: 12px; }
input, select, textarea {
  padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--surface-2); color: var(--text); font-size: 15px; font-family: inherit; width: 100%;
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary); outline-offset: 1px; }
.btn.xs { padding: 5px 10px; font-size: 13px; border-radius: 8px; }
.btn.danger { color: var(--primary-ink); background: var(--danger); border-color: transparent; }
.btn.ghost.danger { background: transparent; color: var(--danger); }
.error { color: var(--danger); font-size: 13px; margin: 8px 0 0; }

/* Login */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.auth-card { width: 100%; max-width: 360px; }
.auth-card .brand { font-size: 28px; margin-bottom: 4px; }

/* Layout */
.layout { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.sidebar { background: var(--surface); border-right: 1px solid var(--border); padding: 20px 14px; display: flex; flex-direction: column; gap: 18px; }
.sidebar .brand { font-size: 22px; padding: 0 8px; }
.nav { display: flex; flex-direction: column; gap: 4px; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 10px;
  color: var(--text); text-decoration: none; font-weight: 500; }
.nav-item:hover { background: var(--surface-2); }
.nav-item .ico { width: 20px; text-align: center; color: var(--muted); }
.sidebar-foot { margin-top: auto; padding: 0 8px; text-transform: capitalize; }
.main { display: flex; flex-direction: column; min-width: 0; }
.topbar { display: flex; align-items: center; gap: 12px; padding: 12px 20px; border-bottom: 1px solid var(--border); background: var(--surface); }
.topbar .spacer { flex: 1; }
.user { display: flex; align-items: center; gap: 8px; }
.avatar { width: 30px; height: 30px; border-radius: 50%; background: var(--primary); color: var(--primary-ink);
  display: grid; place-items: center; font-weight: 700; }
#menu-toggle { display: none; }
.outlet { padding: 24px; max-width: var(--maxw); width: 100%; }

/* Vistas */
.view h1 { margin: 0 0 16px; font-size: 22px; }
.grid.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--gap); margin-bottom: 16px; }
.stat { display: flex; flex-direction: column; gap: 6px; }
.stat-label { color: var(--muted); font-size: 13px; }
.stat-value { font-size: 26px; font-weight: 700; }

a.card.stat { text-decoration: none; color: var(--text); transition: border-color .15s; }
a.card.stat:hover { border-color: var(--primary); }

/* Indicador de conexión / sincronización */
.sync { font-size: 12px; font-weight: 600; white-space: nowrap; padding: 4px 8px; border-radius: 999px; }
.sync.ok { color: #22c55e; }
.sync.pend { color: #f59e0b; }
.sync.off { color: var(--danger); background: rgba(248,113,113,.12); }
@media (max-width: 560px) { .sync { font-size: 0; padding: 4px; } .sync::first-letter { font-size: 14px; } }

/* Encabezados de vista / toolbar */
.view-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.view-head h1 { margin: 0; }
.toolbar { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.toolbar input, .toolbar select { max-width: 340px; }
.back { display: inline-block; color: var(--muted); text-decoration: none; font-size: 13px; margin-bottom: 4px; }
.back:hover { color: var(--primary); }

/* Tablas */
.table-wrap { overflow-x: auto; }
.tbl { width: 100%; border-collapse: collapse; }
.tbl th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .4px;
  color: var(--muted); font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.tbl td { padding: 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.tbl.compact th, .tbl.compact td { padding: 6px 8px; }
.tbl tr.clickable { cursor: pointer; }
.tbl tbody tr.clickable:hover { background: var(--surface-2); }
.tbl .right, .right { text-align: right; }
.acciones { text-align: right; white-space: nowrap; }
.acciones .btn { margin-left: 4px; }

/* Badges */
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600;
  background: var(--surface-2); color: var(--muted); border: 1px solid var(--border); }
.badge.ok { background: rgba(34,197,94,.15); color: #22c55e; border-color: transparent; }
.badge.info { background: rgba(56,189,248,.15); color: var(--primary); border-color: transparent; }
.badge.warn { background: rgba(245,158,11,.15); color: #f59e0b; border-color: transparent; }
.badge.danger { background: rgba(248,113,113,.15); color: var(--danger); border-color: transparent; }
.badge.muted { background: var(--surface-2); color: var(--muted); }

/* Grids de tarjetas */
.grid.cols-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); margin-bottom: 16px; }
.card h3 { margin: 0 0 12px; font-size: 15px; }
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.card-head h3 { margin: 0; }
.card + .card { margin-top: 16px; }

/* Filas de lista (dashboard, vehículos, historial) */
.list-row, .veh-row { display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 10px 0; border-bottom: 1px solid var(--border); }
.list-row:last-child, .veh-row:last-child { border-bottom: 0; }
.list-row.clickable { cursor: pointer; }
.hist-row { padding: 8px 0; border-bottom: 1px solid var(--border); }
.consent-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--border); }
.consent-row:last-child { border-bottom: 0; }
.empty { padding: 16px; text-align: center; }

/* Definiciones (detalle cliente) */
dl.datos { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; margin: 0; }
dl.datos dt { color: var(--muted); font-size: 13px; }
dl.datos dd { margin: 0; }

/* Totales */
.card.totales { display: flex; flex-direction: column; gap: 8px; justify-content: center; }
.card.totales > div { display: flex; justify-content: space-between; align-items: baseline; }
.card.totales .grande { border-top: 1px solid var(--border); padding-top: 8px; font-size: 18px; }
.card.totales .grande strong { color: var(--primary); }
.totales-mini { display: flex; gap: 18px; justify-content: flex-end; margin-top: 10px; flex-wrap: wrap; }
.totales-mini .grande strong { color: var(--primary); }

/* Editor de líneas */
.lineas-editor { margin-top: 16px; border-top: 1px solid var(--border); padding-top: 12px; }
.lineas-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.lineas-actions { display: flex; gap: 8px; align-items: center; }
.lineas-actions select { max-width: 220px; }
table.lineas input, table.lineas select { padding: 6px 8px; }
table.lineas .l-cant { width: 70px; }
table.lineas .l-precio { width: 110px; }

/* Formularios en grid */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
.form-grid .col-2 { grid-column: 1 / -1; }
label.inline { display: flex; align-items: center; gap: 8px; }
label.inline select { width: auto; }

/* Modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.5); display: grid; place-items: center;
  z-index: 50; padding: 16px; }
.modal { width: 100%; max-width: 440px; max-height: 90vh; overflow: auto; }
.modal.wide { max-width: 720px; }
.modal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.modal-head h2 { margin: 0; font-size: 18px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }

/* Toast */
#toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(20px);
  background: var(--surface); color: var(--text); border: 1px solid var(--border); border-left: 4px solid var(--primary);
  padding: 12px 18px; border-radius: 10px; box-shadow: 0 8px 24px rgba(0,0,0,.3);
  opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; z-index: 60; max-width: 90vw; }
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
#toast.danger { border-left-color: var(--danger); }

/* Responsive */
@media (max-width: 820px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: fixed; inset: 0 auto 0 0; width: 240px; transform: translateX(-100%);
    transition: transform .2s; z-index: 20; }
  .layout.nav-open .sidebar { transform: none; }
  #menu-toggle { display: inline-block; }
  .grid.cols-2 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}