/*
  Checklist Vehículos Conyser — estilos compartidos.

  Dirección visual: corporativa/institucional. Acento azul oscuro,
  tipografía prolija, tarjetas con bordes definidos. Pensado para una
  herramienta de uso diario (probablemente desde el celular en el patio),
  por lo que se mantienen controles grandes y alto contraste.
*/

:root {
  --color-bg: #eef1f5;
  --color-surface: #ffffff;

  --color-header-bg: #0f2a4a;
  --color-header-text: #ffffff;
  --color-header-text-muted: #b6c6dc;

  --color-accent: #0f2a4a;
  --color-accent-light: #e7eef7;
  --color-accent-border: #c3d3e8;

  --color-border: #dde1e7;
  --color-border-strong: #c7ccd4;

  --color-text: #1b2430;
  --color-text-muted: #667085;
  --color-text-faint: #98a1b0;

  --color-good: #15803d;
  --color-good-bg: #e7f5ec;
  --color-good-border: #b8e0c6;

  --color-warn: #b45309;
  --color-warn-bg: #fdf1e0;
  --color-warn-border: #f0d4a8;

  --color-bad: #b91c1c;
  --color-bad-bg: #fbe9e9;
  --color-bad-border: #f0c0c0;

  --radius-sm: 6px;
  --radius: 8px;
  --radius-lg: 10px;

  --shadow-card: 0 1px 2px rgba(15, 42, 74, 0.06);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  line-height: 1.5;
}

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

a:hover {
  text-decoration: underline;
}

/* --- Header --- */

.app-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 10;
}

.app-header__brand {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.app-header__brand-sub {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.app-header__title {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--color-text);
}

.app-header__user {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 16px;
}

.app-header__user a {
  color: var(--color-text-muted);
}

.app-header__user a:hover {
  color: var(--color-accent);
}

.app-header__logout {
  background: transparent;
  border: 1px solid var(--color-border-strong);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  padding: 6px 13px;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
}

.app-header__logout:hover {
  background: var(--color-bg);
}

/* --- Layout general --- */

.page {
  max-width: 640px;
  margin: 0 auto;
  padding: 28px 16px 80px;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 24px;
}

.card + .card {
  margin-top: 16px;
}

/* --- Login --- */

.login-screen {
  min-height: 100vh;
  display: flex;
  flex-direction: column; /* Solución añadida para alinear el footer abajo */
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  padding: 24px 16px;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.login-card__header {
  background: var(--color-accent-light);
  border-bottom: 2px solid var(--color-accent);
  padding: 28px 24px 22px;
}

.login-card__brand {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 6px;
}

.login-card__title {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0;
  color: var(--color-text);
}

.login-card__body {
  padding: 24px;
}

.login-footer {
  text-align: center;
  font-size: 0.78rem;
  color: var(--color-text-faint);
  margin-top: 20px;
}

.login-card--wide {
  max-width: 420px;
}

/* --- Selector de módulo (login) --- */

.module-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.module-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
  padding: 16px 10px 14px;
  border: 1.5px solid var(--color-border-strong);
  border-radius: var(--radius);
  cursor: pointer;
  background: #fff;
  transition: border-color .15s, background .15s, box-shadow .15s;
}

.module-card:hover {
  border-color: var(--color-accent);
}

.module-card input[type="radio"] {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 16px;
  height: 16px;
  accent-color: var(--color-accent);
  margin: 0;
}

.module-card:has(input:checked),
.module-card.module-card--checked {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

.module-card__icon {
  font-size: 1.6rem;
  line-height: 1;
  margin-bottom: 2px;
}

.module-card__label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text);
}

.module-card__hint {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

/* --- Formularios --- */

.field {
  margin-bottom: 18px;
}

.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}

.field input[type="text"],
.field input[type="password"],
.field input[type="number"],
.field input[type="date"],
.field select {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
  background: #fff;
  color: var(--color-text);
}

.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

.field input[readonly] {
  background: #f5f6f8;
  color: var(--color-text-muted);
}

.field-error {
  color: var(--color-bad);
  font-size: 0.8rem;
  margin-top: 4px;
}

/* --- Botones --- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: none;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}

.btn-primary:hover {
  background: #0c2138;
}

.btn-primary:disabled {
  background: #a7b2bf;
  cursor: not-allowed;
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-strong);
}

.btn-secondary:hover {
  background: var(--color-bg);
}

/* --- Mensajes de estado / alertas --- */

.alert {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  margin-bottom: 16px;
  border: 1px solid transparent;
}

.alert-error {
  background: var(--color-bad-bg);
  color: var(--color-bad);
  border-color: var(--color-bad-border);
}

.alert-info {
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-color: var(--color-accent-border);
}

/* --- Badges de estado (sin observaciones / N observaciones) --- */

.badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.badge-good {
  background: var(--color-good-bg);
  color: var(--color-good);
}

.badge-warn {
  background: var(--color-warn-bg);
  color: var(--color-warn);
}

.badge-bad {
  background: var(--color-bad-bg);
  color: var(--color-bad);
}

/* --- Utilidades --- */

.text-muted {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.hidden {
  display: none !important;
}

@media (prefers-reduced-motion: reduce) {
  .spinner {
    animation: none;
  }
}