/* ============================================================
   Mi Almendrón — Mobile-First Design System
   Breakpoints: 480px | 768px | 1024px | 1200px
   ============================================================ */

/* ── Custom Properties ──────────────────────────────────────── */
:root {
  /* Colors */
  --accent:       #0071e3;
  --accent-dark:  #0051d5;
  --bg-primary:   #ffffff;
  --bg-secondary: #f5f5f7;
  --bg-surface:   #ffffff;
  --text-primary: #1d1d1f;
  --text-muted:   #86868b;
  --border:       #d2d2d7;
  --success-bg:   #d1fae5;
  --success-text: #065f46;
  --success:      #16a34a;
  --warning-bg:   #fef3c7;
  --warning-text: #92400e;
  --warning:      #f59e0b;
  --error-bg:     #fce8e8;
  --error-text:   #b91c1c;
  --danger:       #ff3b30;
  --danger-dark:  #dc2626;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 980px;

  /* Spacing */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.25rem;
  --sp-6: 1.5rem;
  --sp-8: 2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;

  /* Shadows */
  --shadow-sm: 0 1px 4px rgba(0,0,0,.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.12);

  /* Typography */
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Transitions */
  --ease: cubic-bezier(.25,.1,.25,1);

  /* Legacy aliases (keep backward compat) */
  --color-primary:    var(--accent);
  --color-secondary:  #5AC8FA;
  --color-success:    #4CD964;
  --color-warning:    #FF9500;
  --color-error:      var(--danger);
  --color-light:      var(--bg-secondary);
  --color-dark:       var(--text-primary);
  --color-text:       var(--text-primary);
  --color-text-light: var(--text-muted);
  --color-surface:    var(--bg-surface);
  --color-border:     var(--border);
  --border-radius:    var(--radius-md);
  --spacing-xs:  var(--sp-1);
  --spacing-sm:  var(--sp-2);
  --spacing-md:  var(--sp-4);
  --spacing-lg:  var(--sp-6);
  --spacing-xl:  var(--sp-8);
  --spacing-2xl: var(--sp-12);
  --font-family: var(--font);
  --transition: all 0.3s var(--ease);
}

/* ── Dark mode ───────────────────────────────────────────────── */
html[data-theme="dark"] {
  --bg-primary:   #000000;
  --bg-secondary: #1d1d1f;
  --bg-surface:   #1d1d1f;
  --text-primary: #f5f5f7;
  --text-muted:   #a1a1a6;
  --border:       #424245;
  --color-text:   #f5f5f7;
  --color-text-light: #a1a1a6;
  --color-dark:   #f5f5f7;
  --color-light:  #1d1d1f;
  --color-border: #424245;

  /* Semantic colors adapted for dark backgrounds */
  --success-bg:   #052e16;
  --success-text: #6ee7b7;
  --warning-bg:   #431407;
  --warning-text: #fed7aa;
  --error-bg:     #450a0a;
  --error-text:   #fca5a5;
  --error-bg-dark: #7f1d1d;
}
html[data-theme="dark"] body  { background-color: #000; }
html[data-theme="dark"] .navbar,
html[data-theme="dark"] .vehicle-card,
html[data-theme="dark"] .info-section,
html[data-theme="dark"] .form-container,
html[data-theme="dark"] .auth-container { background: var(--bg-surface); }

/* Dark mode — form fields */
html[data-theme="dark"] .form-group input,
html[data-theme="dark"] .form-group select,
html[data-theme="dark"] .form-group textarea,
html[data-theme="dark"] input[type="text"],
html[data-theme="dark"] input[type="number"],
html[data-theme="dark"] input[type="date"],
html[data-theme="dark"] input[type="email"],
html[data-theme="dark"] input[type="password"],
html[data-theme="dark"] input[type="url"],
html[data-theme="dark"] textarea,
html[data-theme="dark"] select {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--border);
  color-scheme: dark;
}

/* ── Reset ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
img { max-width: 100%; display: block; }

/* Quitar flechas de inputs numéricos (Chrome/Safari/Firefox) */
input[type="number"] { -moz-appearance: textfield; }
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg-secondary);
}

/* ── Typography (fluid) ──────────────────────────────────────── */
h1 { font-size: 1.5rem; font-weight: 700; line-height: 1.2; }
h2 { font-size: 1.25rem; font-weight: 600; line-height: 1.3; }
h3 { font-size: 1.05rem; font-weight: 600; line-height: 1.4; }

@media (min-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.2rem; }
}

/* ── Navbar (mobile-first) ───────────────────────────────────── */
.navbar {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 200;
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--sp-3) var(--sp-4);
  max-width: 1200px;
  margin: 0 auto;
}

.navbar-brand {
  font-size: 1.15rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--accent);
  white-space: nowrap;
  display: flex;
  align-items: center;
}

/* Hamburger button — visible only on mobile */
.navbar-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
}
.navbar-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
}

/* Desktop nav — hidden on mobile, shown as horizontal bar on ≥768px */
.navbar-nav {
  display: none;
  list-style: none;
}

@media (min-width: 768px) {
  .navbar-toggle { display: none; }

  .navbar-nav {
    display: flex;
    flex-direction: row;
    gap: var(--sp-1);
    align-items: center;
  }

  .navbar-nav li a {
    display: flex;
    align-items: center;
    padding: var(--sp-2) var(--sp-3);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    text-decoration: none;
    min-height: 36px;
    transition: background 0.15s var(--ease), color 0.15s var(--ease);
  }
  .navbar-nav li a:hover { background: var(--bg-secondary); color: var(--accent); }
}

@media (min-width: 1024px) {
  .navbar-brand { font-size: 1.35rem; }
  .navbar-nav li a { font-size: 0.95rem; padding: var(--sp-2) var(--sp-4); }
}

/* ── Left Sidebar Drawer (mobile) ────────────────────────────── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 299;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}
.sidebar-overlay.open { display: block; }

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  height: 100%;
  width: 280px;
  max-width: 85vw;
  background: var(--bg-primary);
  border-right: 1px solid var(--border);
  z-index: 300;
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform 0.28s var(--ease);
  box-shadow: var(--shadow-lg);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.sidebar.open { transform: translateX(0); }

/* Prevent body scroll when sidebar is open */
body.sidebar-active { overflow: hidden; }

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid var(--border);
  min-height: 60px;
  flex-shrink: 0;
}

.sidebar-brand {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
}

.sidebar-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  cursor: pointer;
  color: var(--text-primary);
  -webkit-tap-highlight-color: transparent;
  transition: background 0.15s var(--ease);
}
.sidebar-close:hover { background: var(--border); }

.sidebar-nav {
  display: flex;
  flex-direction: column;
  padding: var(--sp-3) 0;
  flex: 1;
}

.sidebar-link {
  display: flex;
  align-items: center;
  padding: var(--sp-4) var(--sp-5);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  text-decoration: none;
  min-height: 52px;
  transition: background 0.15s var(--ease), color 0.15s var(--ease);
  gap: var(--sp-3);
}
.sidebar-link:hover,
.sidebar-link:active { background: var(--bg-secondary); color: var(--accent); }

.sidebar-link--danger { color: var(--danger); }
.sidebar-link--danger:hover { background: var(--error-bg); color: var(--danger); }

.sidebar-divider {
  height: 1px;
  background: var(--border);
  margin: var(--sp-2) var(--sp-4);
}

/* On desktop, sidebar is never shown */
@media (min-width: 768px) {
  .sidebar,
  .sidebar-overlay { display: none !important; }
}

/* ── Container ───────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--sp-4) var(--sp-1);
}
@media (min-width: 480px)  { .container { padding: var(--sp-5) var(--sp-4); } }
@media (min-width: 768px)  { .container { padding: var(--sp-6) var(--sp-8); } }
@media (min-width: 1024px) { .container { padding: var(--sp-8) var(--sp-12); } }

/* ── Alerts ──────────────────────────────────────────────────── */
.alert {
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius-md);
  margin-bottom: var(--sp-4);
  border-left: 4px solid;
  font-size: 0.95rem;
}
.alert-success { background: var(--success-bg); color: var(--success-text); border-color: #4CD964; }
.alert-error   { background: var(--error-bg);   color: var(--error-text);   border-color: var(--danger); }
.alert-warning { background: var(--warning-bg); color: var(--warning-text); border-color: #FF9500; }

/* ── Buttons ─────────────────────────────────────────────────── */
/*
 * Jerarquía visual (Apple-inspired):
 *   primary    → acción principal, relleno azul
 *   (sin mod)  → acción secundaria, contorno sutil
 *   secondary  → acción tonal, relleno gris muy suave
 *   ghost      → acción terciaria, solo texto
 *   danger     → acción destructiva, contorno rojo (nunca relleno sólido)
 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  min-height: 44px;
  padding: var(--sp-3) var(--sp-5);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  background: transparent;
  color: var(--text-primary);
  transition: background 0.15s var(--ease), border-color 0.15s var(--ease),
              box-shadow 0.15s var(--ease), transform 0.1s var(--ease);
  -webkit-tap-highlight-color: transparent;
}
.btn:hover  { background: var(--bg-secondary); }
.btn:active { transform: scale(0.97); }

/* Primario — acción CTA */
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  box-shadow: 0 2px 12px rgba(0, 113, 227, 0.25);
}

/* Secundario — tonal, sin relleno, borde suave */
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--border); border-color: transparent; }

/* Peligro — contorno rojo, nunca relleno sólido */
.btn-danger {
  background: transparent;
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 30%, var(--border));
}
.btn-danger:hover {
  background: var(--error-bg);
  border-color: color-mix(in srgb, var(--danger) 55%, var(--border));
}

.btn-sm {
  min-height: 34px;
  padding: var(--sp-1) var(--sp-3);
  font-size: 0.8125rem;
  border-radius: var(--radius-pill);
}

/* Full-width button helper */
.btn-block { width: 100%; }

/* ── Forms ───────────────────────────────────────────────────── */

/* Prevent date/time pickers from overflowing their container on mobile */
input[type="date"],
input[type="time"],
input[type="datetime-local"],
input[type="month"],
input[type="week"] {
  min-width: 0;
}

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: var(--sp-5);
}
.form-group label {
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: var(--sp-2);
  color: var(--text-primary);
}
.form-group input,
.form-group select,
.form-group textarea {
  min-height: 44px;
  padding: var(--sp-3) var(--sp-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-family: var(--font);
  font-size: 1rem;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
  width: 100%;
}
.form-group textarea { min-height: 80px; resize: vertical; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,113,227,.12);
}

.form-container {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  max-width: 640px;
  margin: 0 auto;
}
@media (min-width: 480px) { .form-container { padding: var(--sp-8); } }

.form-container h1 {
  margin-top: 0;
  margin-bottom: var(--sp-6);
  color: var(--accent);
}

.form-actions {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-top: var(--sp-6);
}
.form-actions .btn { width: 100%; }

@media (min-width: 480px) {
  .form-actions {
    flex-direction: row;
    justify-content: center;
  }
  .form-actions .btn { width: auto; min-width: 140px; }
}

.form-info {
  margin-top: var(--sp-5);
  padding: var(--sp-4);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ── Status Badges ───────────────────────────────────────────── */
.status-badge,
.vehicle-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.badge-ok,     .status-ok       { background: var(--success-bg); color: var(--success-text); }
.badge-upcoming, .status-upcoming { background: var(--warning-bg); color: var(--warning-text); }
.badge-overdue,  .status-overdue  { background: var(--error-bg);   color: var(--error-text); }
.badge-no_data { background: #f0f0f0; color: #666; }

/* ── Due context chips (macro: rule_due_badge.html) ────────── */
.rule-due-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 0;
}
.due-chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
}
.due-chip--overdue  { background: var(--error-bg);   color: var(--error-text); }
.due-chip--upcoming { background: var(--warning-bg); color: var(--warning-text); }

/* ── Segmented unit tabs (rd-unit-tabs / rd-unit-tab / rd-unit-active) ── */
/* Used in rule_detail, rule_form, vehicle rules — keep global */
.rd-unit-tabs {
  display: flex;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  flex-shrink: 0;
}
.rd-unit-tab {
  background: transparent;
  border: none;
  border-right: 1px solid var(--border);
  padding: 9px 14px;
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
  min-height: 44px;
}
.rd-unit-tab:last-child { border-right: none; }
.rd-unit-tab:hover { background: var(--bg-secondary); color: var(--text-primary); }
.rd-unit-tab.rd-unit-active { background: var(--accent); color: #fff; font-weight: 600; }

/* Shared text input used alongside the tabs */
.rd-edit-input {
  width: 100%;
  min-height: 44px;
  padding: var(--sp-3) var(--sp-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--bg-primary);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
  box-sizing: border-box;
}
.rd-edit-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent);
}
.rd-edit-input::placeholder { color: var(--text-muted); }
html[data-theme="dark"] .rd-edit-input { background: var(--bg-secondary); }
.rd-time-input { flex: 1; min-width: 100px; }


/* ── Cards ───────────────────────────────────────────────────── */
.card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

/* ── Vehicles List ───────────────────────────────────────────── */
.vehicles-container { max-width: 1200px; margin: 0 auto; }

.vehicles-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-6);
}
.vehicles-header h1 { margin: 0; }

/* Single column on mobile, multi-column on larger */
.vehicles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-4);
}
@media (min-width: 480px) {
  .vehicles-grid { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
}
@media (min-width: 1024px) {
  .vehicles-grid { grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); }
}

.vehicle-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  transition: box-shadow 0.2s var(--ease);
}
.vehicle-card:hover { box-shadow: var(--shadow-md); }

.vehicle-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid var(--border);
}
.vehicle-header h3 { margin: 0; font-size: 1rem; }

.vehicle-info { margin-bottom: var(--sp-4); }
.vehicle-info p {
  margin: var(--sp-2) 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.vehicle-info p strong { color: var(--text-primary); }

.vehicle-actions {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
}
.vehicle-actions .btn {
  flex: 1;
  min-width: 80px;
  padding: var(--sp-2) var(--sp-3);
  font-size: 0.85rem;
}

/* ── Vehicle Detail ──────────────────────────────────────────── */
.vehicle-detail-container { max-width: 960px; margin: 0 auto; }

.vehicle-detail-header {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--sp-6);
  padding-bottom: var(--sp-5);
  border-bottom: 2px solid var(--border);
}
.vehicle-detail-header h1 { margin: 0; }

.vehicle-actions-header {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

/* Single column on mobile, 2-col on tablet+ */
.vehicle-detail-info {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-5);
}
@media (min-width: 640px) {
  .vehicle-detail-info { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
}

.info-section {
  background: var(--bg-primary);
  padding: var(--sp-5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
.info-section h3 {
  margin-top: 0;
  margin-bottom: var(--sp-4);
  padding-bottom: var(--sp-3);
  border-bottom: 2px solid var(--accent);
  color: var(--accent);
}

/* ── Responsive Tables ───────────────────────────────────────── */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.info-table {
  width: 100%;
  border-collapse: collapse;
}
.info-table tr { border-bottom: 1px solid var(--border); }
.info-table tr:last-child { border-bottom: none; }
.info-table td {
  padding: var(--sp-3) var(--sp-4);
  font-size: 0.9rem;
  vertical-align: top;
}
.info-table td:first-child {
  width: 40%;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
}

.maintenance-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.maintenance-table thead { background: var(--bg-secondary); }
.maintenance-table th {
  padding: var(--sp-3) var(--sp-4);
  text-align: left;
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  white-space: nowrap;
}
.maintenance-table td {
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.maintenance-table tbody tr:last-child td { border-bottom: none; }
.maintenance-table tbody tr:hover { background: var(--bg-secondary); }

/* Clickable rows */
tr[data-href] { cursor: pointer; }
tr[data-href]:hover td { background: color-mix(in srgb, var(--accent) 5%, var(--bg-secondary)); }

/* ── Auth Container ──────────────────────────────────────────── */
.auth-container {
  max-width: 400px;
  margin: var(--sp-8) auto;
  background: var(--bg-primary);
  padding: var(--sp-6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
@media (min-width: 480px) { .auth-container { padding: var(--sp-8); } }
.auth-container h1 { margin-bottom: var(--sp-5); text-align: center; }
.auth-container p  { text-align: center; margin-top: var(--sp-5); }
.auth-container a  { color: var(--accent); text-decoration: none; }

/* ── Vehicle Form ────────────────────────────────────────────── */
.vehicle-form .form-section {
  margin-bottom: var(--sp-8);
  padding-bottom: var(--sp-8);
  border-bottom: 1px solid var(--border);
}
.vehicle-form .form-section:last-of-type { border-bottom: none; }
.vehicle-form .form-section h3 {
  margin-top: 0;
  margin-bottom: var(--sp-5);
  color: var(--accent);
}

/* ── Empty State ─────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: var(--sp-12) var(--sp-6);
  color: var(--text-muted);
}
.empty-state p { margin-bottom: var(--sp-5); font-size: 1rem; }
.empty-state .btn { margin: 0 auto; }

/* ── Footer ──────────────────────────────────────────────────── */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: var(--sp-6);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: var(--sp-10);
}

/* ── Utility: visually hidden ───────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ── Page-level section headers ─────────────────────────────── */
.page-header {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--sp-6);
}
.page-header h1,
.page-header h2 { margin: 0; }

/* ══════════════════════════════════════════════════════════════
   GLOBAL SELECT — unified custom arrow, appearance reset
   ══════════════════════════════════════════════════════════════ */
select:not([multiple]):not([size]) {
  appearance: none;
  -webkit-appearance: none;
  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='%2386868b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--sp-3) center;
  background-size: 16px;
  padding-right: 2.5rem;
  cursor: pointer;
}
html[data-theme="dark"] select:not([multiple]):not([size]) {
  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='%23a1a1a6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
}

/* ══════════════════════════════════════════════════════════════
   THEME TOGGLE BUTTON (navbar)
   ══════════════════════════════════════════════════════════════ */
.navbar-theme-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-primary);
  flex-shrink: 0;
  transition: background 0.15s var(--ease), color 0.15s var(--ease);
  -webkit-tap-highlight-color: transparent;
}
.navbar-theme-btn:hover { background: var(--bg-secondary); }

/* Show moon in light mode, sun in dark mode */
.theme-icon-dark  { display: none; }
html[data-theme="dark"] .theme-icon-light { display: none; }
html[data-theme="dark"] .theme-icon-dark  { display: inline-flex; }

/* ── Notification badge ──────────────────────────────────────── */
.notif-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  background: var(--danger);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: 99px;
  margin-left: auto;
  line-height: 1;
}
.notif-badge-nav {
  position: absolute;
  top: -4px;
  right: -8px;
  margin-left: 0;
}

/* ══════════════════════════════════════════════════════════════
   ICON HELPERS — works with Lucide (data-lucide) SVG icons
   ══════════════════════════════════════════════════════════════ */
[data-lucide] {
  display: inline-flex;
  flex-shrink: 0;
  vertical-align: middle;
}
.icon-xs [data-lucide], [data-lucide].icon-xs { width: 14px; height: 14px; }
.icon-sm [data-lucide], [data-lucide].icon-sm { width: 16px; height: 16px; }
[data-lucide]                                  { width: 18px; height: 18px; }
.icon-md [data-lucide], [data-lucide].icon-md  { width: 20px; height: 20px; }
.icon-lg [data-lucide], [data-lucide].icon-lg  { width: 24px; height: 24px; }
.icon-xl [data-lucide], [data-lucide].icon-xl  { width: 32px; height: 32px; }