/* ============================================================
   NEOS — Sistema de diseño (define la base; los demás roles heredan)
   Estética: look Vercel aplicado a un tablero funcional.
   Monocromo de alto contraste · hairline 1px · un solo acento ·
   tipografía Inter (fallback de Geist) + mono tabular para cifras/IDs.
   Cambiar a Geist = sólo redefinir --font-sans y agregar el @font-face.
   ============================================================ */

:root {
  /* Tipografía */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, 'SF Mono', SFMono-Regular, Menlo, Consolas, monospace;

  /* Escala de espaciado (8px) */
  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px; --sp-4: 16px;
  --sp-5: 24px; --sp-6: 32px; --sp-7: 48px; --sp-8: 64px;

  --radius: 8px;
  --radius-sm: 6px;
  --radius-lg: 12px;

  /* Modo claro — casi-negro sobre blanco hueso */
  --bg: #fafafa;
  --surface: #ffffff;
  --surface-2: #f4f4f5;
  --fg: #0a0a0a;
  --fg-muted: #6b7280;
  --fg-subtle: #9ca3af;
  --border: rgba(0, 0, 0, 0.09);
  --border-strong: rgba(0, 0, 0, 0.16);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.06);

  /* Acción principal: monocroma (negro sólido). */
  --action: #0a0a0a;
  --action-fg: #ffffff;
  --action-hover: #262626;

  /* Acento, con MUCHA mesura — sólo estados */
  --danger: #d92d20;
  --danger-bg: #fef3f2;
  --success: #067647;
  --success-bg: #ecfdf3;
  --warn: #b54708;
  --warn-bg: #fffaeb;
  --focus: #2563eb;
}

[data-theme="dark"] {
  --bg: #0a0a0a;
  --surface: #111113;
  --surface-2: #18181b;
  --fg: #ededed;
  --fg-muted: #8b8b94;
  --fg-subtle: #6b6b73;
  --border: rgba(255, 255, 255, 0.10);
  --border-strong: rgba(255, 255, 255, 0.18);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.5);

  --action: #ededed;
  --action-fg: #0a0a0a;
  --action-hover: #ffffff;

  --danger: #ff6b63;
  --danger-bg: rgba(217, 45, 32, 0.12);
  --success: #4ade80;
  --success-bg: rgba(6, 118, 71, 0.14);
  --warn: #fdb022;
  --warn-bg: rgba(181, 71, 8, 0.14);
  --focus: #4d83ff;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Cifras, IDs y montos: mono + tabular */
.mono, .num, .trip-id { font-family: var(--font-mono); font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }

h1, h2, h3 { font-weight: 600; letter-spacing: -0.02em; margin: 0; }
h1 { font-size: 22px; }
h2 { font-size: 17px; }
small, .muted { color: var(--fg-muted); }
.subtle { color: var(--fg-subtle); }

a { color: var(--fg); text-decoration: none; }

/* ---------- App bar ---------- */
.app-bar {
  display: flex; align-items: center; gap: var(--sp-4);
  height: 56px; padding: 0 var(--sp-5);
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 80%, transparent);
  backdrop-filter: saturate(1.2) blur(8px);
  position: sticky; top: 0; z-index: 10;
}
.wordmark { font-family: var(--font-mono); font-weight: 600; letter-spacing: 0.04em; font-size: 15px; }
.app-bar .spacer { flex: 1; }

/* ---------- Layout ---------- */
.container { max-width: 920px; margin: 0 auto; padding: var(--sp-6) var(--sp-5) var(--sp-8); }
.stack { display: flex; flex-direction: column; gap: var(--sp-4); }
.row { display: flex; gap: var(--sp-3); align-items: center; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); }
@media (max-width: 620px) { .grid-2 { grid-template-columns: 1fr; } }

/* ---------- Card ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.card-head { padding: var(--sp-5) var(--sp-5) var(--sp-3); }
.card-body { padding: var(--sp-3) var(--sp-5) var(--sp-5); }
.card-title { display: flex; align-items: center; gap: var(--sp-2); }

/* ---------- Form ---------- */
.field { display: flex; flex-direction: column; gap: var(--sp-2); }
.label { font-size: 13px; font-weight: 500; color: var(--fg-muted); }
.label .req { color: var(--danger); margin-left: 2px; }

.input, .select, textarea.input {
  width: 100%;
  height: 44px;                 /* tap target grande */
  padding: 0 var(--sp-3);
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--fg);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  outline: none;
  transition: border-color .12s ease, box-shadow .12s ease;
  appearance: none;
}
textarea.input { height: auto; min-height: 80px; padding: var(--sp-3); resize: vertical; }
.select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center; padding-right: 38px; cursor: pointer;
}
.input:focus, .select:focus, textarea.input:focus {
  border-color: var(--focus);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 22%, transparent);
}
.input::placeholder { color: var(--fg-subtle); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-2);
  height: 44px; padding: 0 var(--sp-4);
  font-family: var(--font-sans); font-size: 15px; font-weight: 500;
  border-radius: var(--radius); border: 1px solid transparent;
  cursor: pointer; user-select: none;
  transition: background .12s ease, border-color .12s ease, opacity .12s ease;
}
.btn:focus-visible { box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 30%, transparent); outline: none; }
.btn-primary { background: var(--action); color: var(--action-fg); }
.btn-primary:hover { background: var(--action-hover); }
.btn-secondary { background: var(--surface); color: var(--fg); border-color: var(--border-strong); }
.btn-secondary:hover { background: var(--surface-2); }
.btn-ghost { background: transparent; color: var(--fg-muted); }
.btn-ghost:hover { background: var(--surface-2); color: var(--fg); }
.btn-block { width: 100%; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.icon-btn { width: 36px; height: 36px; padding: 0; }

/* ---------- Chips / badges ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  height: 26px; padding: 0 10px; border-radius: 999px;
  font-size: 12px; font-weight: 500;
  background: var(--surface-2); color: var(--fg-muted); border: 1px solid var(--border);
}
.badge { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 500; padding: 2px 8px; border-radius: 6px; }
.badge-live { color: var(--success); background: var(--success-bg); }
.badge-live::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 3px color-mix(in srgb, var(--success) 25%, transparent); }
.badge-danger { color: var(--danger); background: var(--danger-bg); }
.badge-warn { color: var(--warn); background: var(--warn-bg); }

/* ---------- Trip list ---------- */
.trip-card {
  display: flex; align-items: center; gap: var(--sp-4);
  padding: var(--sp-4); border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface);
}
.trip-card + .trip-card { margin-top: var(--sp-3); }
.trip-main { flex: 1; min-width: 0; }
.trip-route { font-weight: 600; }
.trip-meta { font-size: 13px; color: var(--fg-muted); margin-top: 2px; }

/* ---------- Empty / states ---------- */
.empty {
  text-align: center; color: var(--fg-muted);
  padding: var(--sp-7) var(--sp-4);
  border: 1px dashed var(--border-strong); border-radius: var(--radius);
}
.banner { padding: var(--sp-3) var(--sp-4); border-radius: var(--radius); font-size: 14px; border: 1px solid transparent; }
.banner-danger { color: var(--danger); background: var(--danger-bg); border-color: color-mix(in srgb, var(--danger) 30%, transparent); }

/* ---------- Toast ---------- */
.toast-wrap { position: fixed; bottom: var(--sp-5); left: 50%; transform: translateX(-50%); z-index: 50; display: flex; flex-direction: column; gap: var(--sp-2); width: min(420px, calc(100vw - 32px)); }
.toast {
  display: flex; align-items: center; gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4); border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border-strong); box-shadow: var(--shadow);
  font-size: 14px; animation: toast-in .18s ease;
}
.toast.ok { border-left: 3px solid var(--success); }
.toast.err { border-left: 3px solid var(--danger); }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- Login ---------- */
.auth-screen { min-height: 100dvh; display: grid; place-items: center; padding: var(--sp-5); }
.auth-card { width: min(380px, 100%); }

.spin { width: 16px; height: 16px; border: 2px solid color-mix(in srgb, currentColor 30%, transparent); border-top-color: currentColor; border-radius: 50%; animation: spin .6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* ============================================================
   Componentes compartidos por las pantallas de rol (Taller, Patio, …)
   ============================================================ */

/* Tabs */
.tabs { display: flex; gap: var(--sp-1); overflow-x: auto; border-bottom: 1px solid var(--border); margin-bottom: var(--sp-5); -webkit-overflow-scrolling: touch; }
.tab { appearance: none; background: none; border: 0; border-bottom: 2px solid transparent; color: var(--fg-muted); font: inherit; font-size: 14px; font-weight: 500; padding: var(--sp-3) var(--sp-3); cursor: pointer; white-space: nowrap; margin-bottom: -1px; transition: color .12s; }
.tab:hover { color: var(--fg); }
.tab.active { color: var(--fg); border-bottom-color: var(--action); }

/* KPI stats */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: var(--sp-3); }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--sp-4); }
.stat-num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 28px; font-weight: 600; letter-spacing: -0.02em; line-height: 1; }
.stat-label { font-size: 13px; color: var(--fg-muted); margin-top: var(--sp-2); }

/* Semáforo */
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; flex: none; }
.dot-ok { background: var(--success); }
.dot-warn { background: var(--warn); }
.dot-bad { background: var(--danger); }

/* Segmented filter */
.seg { display: inline-flex; gap: 2px; padding: 2px; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); }
.seg button { appearance: none; border: 0; background: none; font: inherit; font-size: 13px; color: var(--fg-muted); padding: 6px 12px; border-radius: 6px; cursor: pointer; }
.seg button.on { background: var(--surface); color: var(--fg); box-shadow: var(--shadow-sm); }

/* Data row list */
.rows { display: flex; flex-direction: column; }
.drow { display: flex; align-items: center; gap: var(--sp-3); padding: var(--sp-3) var(--sp-2); border-bottom: 1px solid var(--border); }
.drow:last-child { border-bottom: 0; }
.drow .grow { flex: 1; min-width: 0; }
.drow .ttl { font-weight: 500; }
.drow .sub { font-size: 13px; color: var(--fg-muted); margin-top: 2px; }

/* Photo thumb + capture button */
.thumb { width: 44px; height: 44px; border-radius: var(--radius-sm); object-fit: cover; border: 1px solid var(--border); background: var(--surface-2); flex: none; cursor: pointer; }
.thumb-lg { width: 100%; max-width: 420px; border-radius: var(--radius); border: 1px solid var(--border); display: block; }
.file-btn { display: inline-flex; align-items: center; gap: var(--sp-2); justify-content: center; height: 44px; padding: 0 var(--sp-4); border: 1px dashed var(--border-strong); border-radius: var(--radius); color: var(--fg-muted); cursor: pointer; font-size: 14px; background: var(--surface); }
.file-btn:hover { color: var(--fg); border-color: var(--fg-subtle); }
.file-btn input { display: none; }
.file-btn.has { border-style: solid; color: var(--success); border-color: var(--success); }

/* Slide-in sheet (forms) */
.sheet-bg { position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 40; opacity: 0; pointer-events: none; transition: opacity .15s; }
.sheet-bg.open { opacity: 1; pointer-events: auto; }
.sheet { position: fixed; top: 0; right: 0; bottom: 0; width: min(480px, 100vw); background: var(--surface); border-left: 1px solid var(--border); z-index: 41; transform: translateX(100%); transition: transform .18s ease; display: flex; flex-direction: column; }
.sheet.open { transform: none; }
.sheet-head { display: flex; align-items: center; justify-content: space-between; padding: var(--sp-4) var(--sp-5); border-bottom: 1px solid var(--border); }
.sheet-body { padding: var(--sp-5); overflow-y: auto; flex: 1; }
.sheet-foot { padding: var(--sp-4) var(--sp-5); border-top: 1px solid var(--border); display: flex; gap: var(--sp-3); justify-content: flex-end; }

.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: var(--sp-3); }
@media (max-width: 560px) { .grid-3 { grid-template-columns: 1fr; } }

/* Offline / sync pill */
.pill { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--border); color: var(--fg-muted); background: var(--surface); }
.pill.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 35%, transparent); background: var(--warn-bg); }
.checkitem { display: flex; align-items: center; justify-content: space-between; padding: var(--sp-3) 0; border-bottom: 1px solid var(--border); }