/* ====================================================================
   ESTILOS GENERALES Y LAYOUT RESPONSIVO
   ==================================================================== */

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

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-size: 15px;
    line-height: 1.5;
}

/* --------------------------------------------------------------------
   NAVBAR & HEADER
   -------------------------------------------------------------------- */
.navbar {
    background-color: var(--navbar-bg);
    border-bottom: 1px solid var(--navbar-border);
    padding: 12px 24px;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-heading);
    font-weight: 700;
    font-size: 1.2rem;
}

.brand-icon {
    font-size: 1.6rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    padding: 8px 14px;
    border-radius: 8px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
    background-color: var(--primary-light);
}

/* Selector de Temas */
.theme-selector-group {
    display: flex;
    align-items: center;
    background: var(--bg-card-subtle);
    border: 1px solid var(--border-color);
    padding: 4px;
    border-radius: 30px;
    gap: 4px;
}

.theme-btn {
    border: none;
    background: transparent;
    padding: 6px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 5px;
}

.theme-btn.active {
    background: var(--primary);
    color: var(--primary-text);
    box-shadow: var(--shadow-sm);
}

/* --------------------------------------------------------------------
   CONTENEDOR PRINCIPAL
   -------------------------------------------------------------------- */
.main-container {
    max-width: 1280px;
    width: 100%;
    margin: 24px auto;
    padding: 0 20px;
    flex: 1;
}

/* Tarjetas */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-heading);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 4px 0 0 0;
}

/* Formularios y Grillas */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-heading);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
    width: 100%;
}

.form-control:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-control[readonly] {
    background-color: var(--bg-card-subtle);
    opacity: 0.9;
    cursor: not-allowed;
}

/* Sección de Kilometraje y Diferencia Diaria */
.km-highlight-card {
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-card-subtle) 100%);
    border: 2px solid var(--primary);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 24px;
}

.km-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1.2fr;
    gap: 20px;
    align-items: center;
}

@media (max-width: 768px) {
    .km-grid {
        grid-template-columns: 1fr;
    }
}

.km-diff-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.km-diff-title {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
}

.km-diff-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    margin: 6px 0;
}

.km-diff-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Selector de Nivel de Combustible */
.fuel-selector {
    display: flex;
    gap: 8px;
    margin-top: 4px;
}

.fuel-btn {
    flex: 1;
    text-align: center;
    border: 1px solid var(--border-color);
    background: var(--bg-input);
    color: var(--text-main);
    padding: 10px 4px;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
}

.fuel-btn.active {
    background: var(--primary);
    color: var(--primary-text);
    border-color: var(--primary);
}

/* --------------------------------------------------------------------
   DOCUMENTOS Y SEMÁFORO DE VENCIMIENTOS
   -------------------------------------------------------------------- */
.doc-status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
}

.doc-pill {
    padding: 12px;
    border-radius: 8px;
    background: var(--bg-card-subtle);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.doc-pill-name {
    font-weight: 700;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.doc-pill-date {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-heading);
}

.doc-pill-badge {
    align-self: flex-start;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 12px;
}

.badge-valid { background: var(--success-bg); color: var(--success); border: 1px solid var(--success-border); }
.badge-warning { background: var(--warning-bg); color: var(--warning); border: 1px solid var(--warning-border); }
.badge-expired { background: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger-border); }

/* --------------------------------------------------------------------
   CHECKLIST DE INSPECCIÓN (27 PUNTOS)
   -------------------------------------------------------------------- */
.checklist-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

@media (max-width: 992px) {
    .checklist-container {
        grid-template-columns: 1fr;
    }
}

.checklist-col {
    background: var(--bg-card-subtle);
    border-radius: 10px;
    padding: 14px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.checklist-col-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 8px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border-color);
}

.check-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-card);
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    gap: 8px;
}

.check-item-label {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-main);
}

.check-toggle-group {
    display: flex;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.check-toggle-group input[type="radio"] {
    display: none;
}

.check-toggle-group label {
    padding: 4px 10px;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    background: var(--bg-input);
    color: var(--text-muted);
    transition: all 0.2s;
    user-select: none;
}

.check-toggle-group input[type="radio"]:checked + label.lbl-buena {
    background: var(--success);
    color: #ffffff;
}

.check-toggle-group input[type="radio"]:checked + label.lbl-mala {
    background: var(--danger);
    color: #ffffff;
}

/* --------------------------------------------------------------------
   CANVAS DE FIRMA DIGITAL
   -------------------------------------------------------------------- */
.signature-wrapper {
    background: var(--signature-bg);
    border: 2px dashed var(--border-color);
    border-radius: 10px;
    position: relative;
    overflow: hidden;
    width: 100%;
    max-width: 480px;
    height: 180px;
    margin: 10px 0;
}

.signature-canvas {
    width: 100%;
    height: 100%;
    touch-action: none;
    cursor: crosshair;
}

/* --------------------------------------------------------------------
   TABLAS Y BITÁCORA
   -------------------------------------------------------------------- */
.table-responsive {
    overflow-x: auto;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

.data-table th {
    background: var(--table-header);
    color: var(--text-heading);
    padding: 12px 14px;
    font-weight: 700;
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}

.data-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
}

.data-table tbody tr:hover {
    background-color: var(--table-stripe);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.badge-km {
    background: var(--primary-light);
    color: var(--primary);
    border: 1px solid var(--primary);
    font-size: 0.85rem;
    padding: 4px 10px;
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    font-family: inherit;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--primary-text);
}

.btn-primary:hover {
    filter: brightness(0.92);
}

.btn-secondary {
    background-color: var(--bg-card-subtle);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

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

.btn-success {
    background-color: var(--success);
    color: #ffffff;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.85rem;
    border-radius: 6px;
}

/* Filtros */
.filter-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 18px 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)) auto;
    gap: 12px;
    align-items: flex-end;
}

/* Métricas de Gerencia */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.kpi-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
}

.kpi-value {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text-heading);
}

.kpi-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Alert Boxes */
.alert {
    padding: 14px 18px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.alert-success {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid var(--success-border);
}

.alert-danger {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid var(--danger-border);
}

/* --------------------------------------------------------------------
   ESTILOS DE IMPRESIÓN (GERENCIA Y FICHA OFICIAL)
   -------------------------------------------------------------------- */
@media print {
    .navbar, .theme-selector-group, .btn, .no-print, .filter-card {
        display: none !important;
    }
    body {
        background: #ffffff !important;
        color: #000000 !important;
    }
    .card {
        border: 1px solid #cccccc !important;
        box-shadow: none !important;
        page-break-inside: avoid;
    }
    .main-container {
        max-width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
    }
}