/* ============================================
   POSTVENTA CENTINELA - Hoja de Estilos Principal
   Basado en el diseño de icentinela.cl
   ============================================ */

/* --- Variables / Paleta de colores --- */
:root {
    /* Colores principales (basados en icentinela.cl) */
    --color-primary: #608418;        /* Verde corporativo (botones) */
    --color-primary-dark: #4a6b10;   /* Verde oscuro (hover) */
    --color-primary-light: #7ea33a;  /* Verde claro */
    --color-primary-bg: #f4f7ed;     /* Fondo verde muy claro */
    
    --color-accent: #CC3366;         /* Rosado/rojo (enlaces del sitio original) */
    --color-accent-dark: #a32952;
    
    --color-dark: #1a1a2e;           /* Casi negro azulado */
    --color-gray-900: #212529;
    --color-gray-800: #343a40;
    --color-gray-700: #495057;
    --color-gray-600: #6c757d;
    --color-gray-500: #adb5bd;
    --color-gray-400: #ced4da;
    --color-gray-300: #dee2e6;
    --color-gray-200: #e9ecef;
    --color-gray-100: #f8f9fa;
    --color-white: #ffffff;
    
    /* Estados */
    --color-success: #28a745;
    --color-warning: #ffc107;
    --color-danger: #dc3545;
    --color-info: #17a2b8;
    --color-pending: #6c757d;
    --color-approved: #28a745;
    --color-rejected: #dc3545;
    --color-scheduled: #007bff;
    --color-in-progress: #fd7e14;
    --color-resolved: #20c997;
    
    /* Tipografía */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    
    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-xl: 0 12px 36px rgba(0,0,0,0.15);
    
    /* Bordes */
    --radius-sm: 3px;
    --radius-md: 6px;
    --radius-lg: 10px;
    --radius-xl: 16px;
    
    /* Transiciones */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-gray-800);
    background-color: var(--color-gray-100);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

img {
    max-width: 100%;
    height: auto;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 3px solid var(--color-primary);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.header-logo .logo-img {
    height: 48px;
    width: auto;
}

.header-nav {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 4px;
}

.nav-menu > li > a {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    color: var(--color-gray-700);
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.nav-menu > li > a:hover {
    background: var(--color-primary-bg);
    color: var(--color-primary);
}

.nav-menu > li.active > a {
    background: var(--color-primary);
    color: var(--color-white);
}

/* Dropdown de usuario */
.nav-user-menu {
    position: relative;
    margin-left: 8px;
    padding-left: 8px;
    border-left: 1px solid var(--color-gray-300);
}

.user-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    list-style: none;
    padding: 6px 0;
    margin-top: 8px;
    z-index: 1001;
}

.user-dropdown.show {
    display: block;
}

.user-dropdown li a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    color: var(--color-gray-700);
    font-size: 0.875rem;
    transition: background var(--transition-fast);
}

.user-dropdown li a:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

/* Mobile menu toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.menu-icon-bar {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-gray-700);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.site-main {
    flex: 1;
    padding: 0;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background: var(--color-dark);
    color: var(--color-gray-400);
    margin-top: auto;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-top {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    padding: 48px 0 32px;
}

.footer-col h4 {
    font-family: var(--font-heading);
    color: var(--color-white);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-col h4 i {
    color: var(--color-primary);
    font-size: 1rem;
}

.footer-col p {
    font-size: 0.875rem;
    line-height: 1.7;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    font-size: 0.875rem;
    margin-bottom: 10px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    line-height: 1.5;
}

.footer-col ul li i {
    color: var(--color-primary);
    margin-top: 3px;
    width: 14px;
    text-align: center;
}

.footer-col ul li a {
    color: var(--color-gray-400);
}

.footer-col ul li a:hover {
    color: var(--color-primary-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-gray-500);
}

/* ============================================
   COMPONENTES COMUNES
   ============================================ */

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    line-height: 1.4;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    color: var(--color-white);
}

.btn-secondary {
    background: var(--color-gray-200);
    color: var(--color-gray-700);
}

.btn-secondary:hover {
    background: var(--color-gray-300);
    color: var(--color-gray-800);
}

.btn-accent {
    background: var(--color-accent);
    color: var(--color-white);
}

.btn-accent:hover {
    background: var(--color-accent-dark);
    color: var(--color-white);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.78rem;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 0.95rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-icon {
    width: 38px;
    height: 38px;
    padding: 0;
    border-radius: 50%;
}

/* Cards */
.card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-200);
    overflow: hidden;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--color-white);
}

.card-header h2, .card-header h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-gray-900);
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-header h2 i, .card-header h3 i {
    color: var(--color-primary);
}

.card-body {
    padding: 24px;
}

.card-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--color-gray-200);
    background: var(--color-gray-100);
}

/* Formularios */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: 6px;
}

.form-group label .required {
    color: var(--color-danger);
    margin-left: 2px;
}

.form-control {
    display: block;
    width: 100%;
    padding: 10px 14px;
    font-size: 0.9rem;
    font-family: var(--font-body);
    color: var(--color-gray-800);
    background: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(96, 132, 24, 0.15);
}

.form-control::placeholder {
    color: var(--color-gray-500);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236c757d' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.form-text {
    font-size: 0.8rem;
    color: var(--color-gray-600);
    margin-top: 4px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
}

/* Alertas */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
    border-left: 4px solid transparent;
}

.alert i {
    font-size: 1.1rem;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border-left-color: var(--color-success);
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border-left-color: var(--color-danger);
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border-left-color: var(--color-warning);
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border-left-color: var(--color-info);
}

/* Badges / Etiquetas de estado */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.badge-pending {
    background: #e9ecef;
    color: #495057;
}

.badge-approved {
    background: #d4edda;
    color: #155724;
}

.badge-rejected {
    background: #f8d7da;
    color: #721c24;
}

.badge-scheduled {
    background: #cce5ff;
    color: #004085;
}

.badge-in-progress {
    background: #fff3cd;
    color: #856404;
}

.badge-resolved {
    background: #d1f2eb;
    color: #0b5345;
}

/* Tablas */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th, table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--color-gray-200);
    font-size: 0.875rem;
}

table th {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-gray-700);
    background: var(--color-gray-100);
    white-space: nowrap;
}

table tbody tr {
    transition: background var(--transition-fast);
}

table tbody tr:hover {
    background: var(--color-primary-bg);
}

/* Paginación */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-top: 16px;
    padding: 0;
    list-style: none;
}

.pagination .page-item {
    list-style: none;
}

.pagination .page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-gray-300);
    background: var(--color-white);
    color: var(--color-gray-700);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.pagination .page-link:hover {
    background: var(--color-primary-bg);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.pagination .page-item.active .page-link {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.pagination .page-item.disabled .page-link {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Utilidades */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.text-primary { color: var(--color-primary); }
.text-accent { color: var(--color-accent); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }
.text-muted { color: var(--color-gray-600); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }
.flex-wrap { flex-wrap: wrap; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 992px) {
    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
    
    .form-row-3 {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .header-container {
        height: 60px;
    }
    
    .header-logo .logo-img {
        height: 36px;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: 12px;
        box-shadow: var(--shadow-lg);
        border-bottom: 3px solid var(--color-primary);
    }
    
    .nav-menu.show {
        display: flex;
    }
    
    .nav-user-menu {
        border-left: none;
        padding-left: 0;
        margin-left: 0;
    }
    
    .user-dropdown {
        position: static;
        box-shadow: none;
        border: none;
        padding-left: 20px;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 32px 0 24px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-row-3 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .header-container {
        padding: 0 12px;
    }
    
    .card-header {
        padding: 16px;
    }
    
    .card-body {
        padding: 16px;
    }
    
    .btn {
        padding: 10px 18px;
        font-size: 0.8rem;
    }
}

/* Toast notifications globales */
.app-toast {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    padding: 14px 20px;
    border-radius: var(--radius-md, 8px);
    color: #fff;
    font-size: 0.88rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: var(--shadow-lg, 0 10px 25px rgba(0,0,0,0.15));
    transform: translateX(120%);
    transition: transform 0.3s ease;
    max-width: 420px;
    line-height: 1.4;
}
.app-toast.show { transform: translateX(0); }
.app-toast i { font-size: 1.1rem; flex-shrink: 0; }
.app-toast-success { background: #28a745; }
.app-toast-error   { background: #dc3545; }
.app-toast-info    { background: #17a2b8; }
.app-toast-warning { background: #e67e22; }