/* ============================================================
   SISTEMA DE CONTROL DE ESTACIONAMIENTO - DIPINSAIT
   Archivo: assets/css/app.css
   ============================================================ */

:root {
  --azul:        #1a4f8a;
  --azul-claro:  #2a6fc9;
  --azul-hover:  #1557aa;
  --verde:       #1e7e34;
  --verde-claro: #28a745;
  --rojo:        #c82333;
  --rojo-claro:  #dc3545;
  --gris-bg:     #f4f6f9;
  --gris-borde:  #dee2e6;
  --gris-texto:  #495057;
  --blanco:      #ffffff;
  --negro:       #212529;
  --sombra:      0 2px 8px rgba(0,0,0,.12);
  --radio:       6px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  font-size: 14px;
  background: var(--gris-bg);
  color: var(--negro);
  min-height: 100vh;
}

a { color: var(--azul-claro); text-decoration: none; }
a:hover { text-decoration: underline; }

.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--azul) 0%, var(--azul-claro) 100%);
}

.login-card {
  background: var(--blanco);
  border-radius: 10px;
  padding: 40px 36px;
  width: 360px;
  box-shadow: 0 8px 24px rgba(0,0,0,.25);
}

.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo img { max-width: 140px; max-height: 80px; object-fit: contain; margin-bottom: 12px; }
.login-logo h1 { font-size: 16px; font-weight: 700; color: var(--azul); line-height: 1.4; }

.login-footer { text-align: center; margin-top: 16px; font-size: 12px; }

.app-layout { display: flex; min-height: 100vh; }

.sidebar { width: 220px; background: var(--azul); color: var(--blanco); display: flex; flex-direction: column; flex-shrink: 0; }

.sidebar-brand { padding: 20px 16px; border-bottom: 1px solid rgba(255,255,255,.15); text-align: center; }
.sidebar-brand img { max-width: 100px; max-height: 50px; object-fit: contain; filter: brightness(0) invert(1); }
.sidebar-brand span { display: block; font-size: 11px; font-weight: 600; margin-top: 6px; opacity: .85; line-height: 1.3; }

.sidebar-nav { flex: 1; padding: 12px 0; }

.nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 18px; color: rgba(255,255,255,.85); cursor: pointer; transition: background .15s; font-size: 13px; }
.nav-item:hover, .nav-item.active { background: rgba(255,255,255,.15); color: var(--blanco); }
.nav-item .icon { font-size: 16px; width: 20px; text-align: center; }

.nav-section { font-size: 10px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: rgba(255,255,255,.45); padding: 14px 18px 4px; }

.sidebar-footer { padding: 14px 18px; border-top: 1px solid rgba(255,255,255,.15); font-size: 12px; opacity: .75; }
.sidebar-footer a { color: rgba(255,255,255,.85); }

.main-content { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

.topbar { background: var(--blanco); padding: 12px 24px; border-bottom: 1px solid var(--gris-borde); display: flex; align-items: center; justify-content: space-between; box-shadow: 0 1px 4px rgba(0,0,0,.06); }
.topbar h2 { font-size: 16px; font-weight: 700; color: var(--azul); }
.topbar-user { font-size: 12px; color: var(--gris-texto); }

.page-body { flex: 1; padding: 24px; overflow-y: auto; }

.card { background: var(--blanco); border-radius: var(--radio); box-shadow: var(--sombra); padding: 24px; margin-bottom: 20px; }
.card-title { font-size: 15px; font-weight: 700; color: var(--azul); margin-bottom: 18px; padding-bottom: 10px; border-bottom: 2px solid var(--gris-borde); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-row-full { grid-template-columns: 1fr; }

.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group label { font-size: 12px; font-weight: 600; color: var(--gris-texto); text-transform: uppercase; letter-spacing: .4px; }
.form-group input, .form-group select, .form-group textarea {
  padding: 9px 12px; border: 1px solid var(--gris-borde); border-radius: var(--radio);
  font-size: 14px; color: var(--negro); transition: border-color .15s, box-shadow .15s; background: var(--blanco);
}
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--azul-claro); box-shadow: 0 0 0 3px rgba(42,111,201,.15); }

.toggle-sn { display: flex; align-items: center; gap: 12px; padding: 10px 0; }
.toggle-sn input[type="checkbox"] { width: 20px; height: 20px; cursor: pointer; accent-color: var(--verde-claro); }
.toggle-sn span { font-size: 14px; font-weight: 600; }

.btn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 18px; border: none; border-radius: var(--radio); font-size: 14px; font-weight: 600; cursor: pointer; transition: background .15s, transform .1s; }
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--azul-claro); color: var(--blanco); }
.btn-primary:hover { background: var(--azul-hover); }
.btn-success { background: var(--verde-claro); color: var(--blanco); }
.btn-success:hover { background: var(--verde); }
.btn-danger { background: var(--rojo-claro); color: var(--blanco); }
.btn-danger:hover { background: var(--rojo); }
.btn-secondary { background: #6c757d; color: var(--blanco); }
.btn-secondary:hover { background: #545b62; }
.btn-outline { background: transparent; border: 1.5px solid var(--azul-claro); color: var(--azul-claro); }
.btn-outline:hover { background: var(--azul-claro); color: var(--blanco); }
.btn-full { width: 100%; justify-content: center; }
.btn-sm { padding: 5px 12px; font-size: 12px; }

.form-actions { display: flex; gap: 12px; justify-content: flex-end; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--gris-borde); }

.alert { padding: 10px 14px; border-radius: var(--radio); font-size: 13px; margin-bottom: 16px; }
.alert-error { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert-warning { background: #fff3cd; color: #856404; border: 1px solid #ffeeba; }
.alert-info { background: #d1ecf1; color: #0c5460; border: 1px solid #bee5eb; }

.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th { background: var(--azul); color: var(--blanco); padding: 10px 12px; text-align: left; font-weight: 600; white-space: nowrap; }
tbody tr:nth-child(even) { background: #f8f9fa; }
tbody tr:hover { background: #e8f0fb; }
tbody td { padding: 9px 12px; border-bottom: 1px solid var(--gris-borde); }

.sesiones-table { width: 100%; }
.sesion-row td { vertical-align: middle; }
.validado-badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.validado-badge.si { background: #d4edda; color: #155724; }
.validado-badge.no { background: #f8d7da; color: #721c24; }

.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 1000; align-items: center; justify-content: center; }
.modal-overlay.active { display: flex; }
.modal { background: var(--blanco); border-radius: 10px; padding: 28px; width: 560px; max-width: 95vw; max-height: 90vh; overflow-y: auto; box-shadow: 0 12px 40px rgba(0,0,0,.3); }
.modal-title { font-size: 16px; font-weight: 700; color: var(--azul); margin-bottom: 20px; }
.modal-close { float: right; background: none; border: none; font-size: 20px; cursor: pointer; color: var(--gris-texto); margin-top: -4px; }

.recibo-preview { background: var(--blanco); border: 1px solid var(--gris-borde); border-radius: var(--radio); padding: 32px; max-width: 560px; margin: 0 auto; font-family: Arial, sans-serif; }
.recibo-header { display: flex; align-items: center; gap: 20px; margin-bottom: 20px; padding-bottom: 16px; border-bottom: 2px solid var(--azul); }
.recibo-header img { max-width: 100px; max-height: 60px; object-fit: contain; }
.recibo-empresa { flex: 1; }
.recibo-empresa h2 { font-size: 14px; font-weight: 700; color: var(--azul); }
.recibo-empresa p { font-size: 12px; color: var(--gris-texto); }
.recibo-folio { font-size: 18px; font-weight: 700; color: var(--azul); text-align: right; }

.recibo-body { margin: 16px 0; }
.recibo-campo { display: flex; gap: 8px; margin-bottom: 8px; font-size: 13px; }
.recibo-campo strong { min-width: 140px; color: var(--gris-texto); }

.recibo-sesiones { margin-top: 20px; }
.recibo-sesiones table { font-size: 12px; }

.text-right { text-align: right; }
.text-center { text-align: center; }
.text-muted { color: var(--gris-texto); }
.fw-bold { font-weight: 700; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.d-flex { display: flex; }
.gap-2 { gap: 12px; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }

.monto { font-weight: 700; color: var(--verde); font-size: 18px; }

.spinner { display: inline-block; width: 18px; height: 18px; border: 3px solid rgba(255,255,255,.4); border-top-color: #fff; border-radius: 50%; animation: spin .6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }