/* ==================== VARIABLES Y RESET ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #2563eb;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-info: #06b6d4;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--color-gray-800);
}

/* ==================== PANTALLA DE LOGIN ==================== */
.login-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    animation: fadeIn 0.5s ease;
}

.login-container {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 3rem;
    max-width: 450px;
    width: 90%;
    animation: slideUp 0.5s ease;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.login-title {
    font-size: 2rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.login-subtitle {
    font-size: 1.1rem;
    color: #6b7280;
    font-weight: 600;
}

.login-form {
    margin-bottom: 2rem;
}

.login-form-group {
    margin-bottom: 1.5rem;
}

.login-form-group label {
    display: block;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.login-input {
    width: 100%;
    padding: 0.9rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.login-input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.login-btn {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
}

.login-btn:active {
    transform: translateY(0);
}

.login-info {
    background: #eff6ff;
    padding: 1rem;
    border-radius: 10px;
    margin-top: 1rem;
    border-left: 4px solid #2563eb;
}

.login-footer {
    border-top: 2px solid #e5e7eb;
    padding-top: 1.5rem;
    text-align: center;
}

.credits {
    font-size: 0.9rem;
}

.login-error {
    background: #fee2e2;
    color: #991b1b;
    padding: 0.75rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-weight: 600;
    text-align: center;
    border-left: 4px solid #ef4444;
    display: none;
}

.login-error.show {
    display: block;
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

/* ==================== HEADER ==================== */
.header {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: white;
    padding: 1rem 2rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-section h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.subtitle {
    font-size: 0.9rem;
    opacity: 0.9;
}

.user-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-name {
    font-weight: 600;
    font-size: 1rem;
}

/* ==================== NAVEGACIÓN ==================== */
.nav-menu {
    background: white;
    padding: 0.5rem 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
}

.nav-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    background: transparent;
    color: var(--color-gray-700);
    font-weight: 600;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s ease;
    white-space: nowrap;
    font-size: 0.95rem;
}

.nav-btn:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

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

/* ==================== CONTAINER PRINCIPAL ==================== */
.main-container {
    max-width: 1400px;
    margin: 1.5rem auto;
    padding: 0 2rem;
}

.view-container {
    display: none;
}

.view-container.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==================== DASHBOARD OPTIMIZADO ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: white;
    border-radius: 12px;
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    border-left: 4px solid transparent;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.15);
}

.stat-card.active {
    border-left-color: var(--color-primary);
    background: var(--color-gray-50);
}

.card-pendiente { border-left-color: var(--color-warning); }
.card-tramite { border-left-color: var(--color-info); }
.card-atendido { border-left-color: var(--color-success); }
.card-no-atendido { border-left-color: var(--color-danger); }
.card-vencido { border-left-color: #dc2626; }
.card-cerrado { border-left-color: #6b7280; }
.card-programado { border-left-color: #6366f1; }

.stat-icon {
    font-size: 2.5rem;
}

.stat-info {
    flex: 1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-gray-700);
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

/* Dashboard Section - Altura reducida */
.dashboard-section {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-800);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ==================== FORMULARIOS ==================== */
.form-container {
    background: var(--color-gray-50);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.form-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: 1rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

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

.form-group.col-span-2 {
    grid-column: span 2;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 0.75rem;
    border: 1px solid var(--color-gray-300);
    border-radius: 6px;
    font-size: 0.95rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input[readonly] {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
    cursor: not-allowed;
}

/* ==================== FILTROS Y ACCIONES ==================== */
.filters-section {
    background: white;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.25rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.filter-select,
.search-input {
    padding: 0.65rem 1rem;
    border: 1px solid var(--color-gray-300);
    border-radius: 6px;
    font-size: 0.9rem;
    min-width: 200px;
}

.search-input {
    flex: 1;
    max-width: 400px;
}

.actions-group {
    display: flex;
    gap: 0.75rem;
    margin-left: auto;
}

/* ==================== BOTONES ==================== */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.btn:active {
    transform: translateY(0);
}

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

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

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

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

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

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

/* ==================== TABLAS ==================== */
.table-container {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    max-height: 500px;
    overflow-y: auto;
}

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

.data-table thead {
    background: var(--color-gray-100);
    position: sticky;
    top: 0;
    z-index: 10;
}

.data-table th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 700;
    color: var(--color-gray-800);
    text-transform: uppercase;
    font-size: 0.8rem;
    border-bottom: 2px solid var(--color-gray-300);
}

.data-table th.sortable {
    cursor: pointer;
    user-select: none;
}

.data-table th.sortable:hover {
    background: var(--color-gray-200);
}

.data-table tbody tr {
    border-bottom: 1px solid var(--color-gray-200);
    transition: background-color 0.2s ease;
}

.data-table tbody tr:hover {
    background: var(--color-gray-50);
}

.data-table tbody tr[style*="cursor: pointer"]:hover {
    background: #dbeafe !important;
    transform: scale(1.001);
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.1);
}

.data-table td {
    padding: 0.75rem 1rem;
}

.data-table td input[type="checkbox"] {
    width: 1.25rem;
    height: 1.25rem;
    cursor: pointer;
}

/* Estados en tabla */
.badge {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    white-space: nowrap;
}

.badge-pendiente {
    background: #fef3c7;
    color: #92400e;
}

.badge-tramite {
    background: #ffedd5;
    color: #9a3412;
}

.badge-atendido {
    background: #d1fae5;
    color: #065f46;
}

.badge-no-atendido {
    background: #fee2e2;
    color: #991b1b;
}

.badge-cerrado {
    background: var(--color-gray-200);
    color: var(--color-gray-700);
}

.badge-programado {
    background: #e0e7ff;
    color: #3730a3;
}

.badge-habilitado {
    background: #d1fae5;
    color: #065f46;
    font-weight: 600;
}

.badge-deshabilitado {
    background: #fee2e2;
    color: #991b1b;
    font-weight: 600;
}

/* Filas con color de estado */
.row-atendido {
    background: rgba(209, 250, 229, 0.3) !important;
}

.row-no-atendido {
    background: rgba(254, 226, 226, 0.3) !important;
}

/* Días restantes */
.dias-vencido {
    color: var(--color-danger);
    font-weight: 700;
}

.dias-hoy {
    color: var(--color-warning);
    font-weight: 700;
}

.dias-proximo {
    color: #f59e0b;
    font-weight: 600;
}

.dias-ok {
    color: var(--color-success);
    font-weight: 600;
}

/* ==================== MODAL ==================== */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 12px;
    padding: 0;
    max-width: 700px;
    width: 90%;
    max-height: 85vh;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    animation: slideUp 0.3s ease;
    display: flex;
    flex-direction: column;
}

.modal-header {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 12px 12px 0 0;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin: 0;
}

.modal-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.modal-close {
    font-size: 2rem;
    font-weight: 700;
    color: white;
    cursor: pointer;
    line-height: 1;
    transition: all 0.3s ease;
}

.modal-close:hover {
    color: #fca5a5;
    transform: scale(1.1);
}

#modalBody {
    padding: 2rem;
    overflow-y: auto;
    flex: 1;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ==================== FOOTER ==================== */
.app-footer {
    background: white;
    border-top: 2px solid #e5e7eb;
    padding: 1.5rem 2rem;
    margin-top: 2rem;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.05);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.footer-left {
    flex: 1;
}

.footer-right {
    text-align: right;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-group.col-span-2 {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-menu {
        padding: 0.5rem 1rem;
    }
    
    .main-container {
        padding: 0 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .filters-section {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-select,
    .search-input {
        width: 100%;
    }
    
    .actions-group {
        margin-left: 0;
        flex-direction: column;
    }
    
    .table-container {
        overflow-x: auto;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-right {
        text-align: center;
    }
    
    .login-container {
        padding: 2rem 1.5rem;
    }
}

/* ==================== MODAL EDITABLE ==================== */
#modalBody input[type="text"],
#modalBody input[type="date"],
#modalBody input[type="time"],
#modalBody input[type="number"],
#modalBody textarea,
#modalBody select {
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

#modalBody input[type="text"]:focus,
#modalBody input[type="date"]:focus,
#modalBody input[type="time"]:focus,
#modalBody input[type="number"]:focus,
#modalBody textarea:focus,
#modalBody select:focus {
    outline: none;
    border-color: #2563eb !important;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

#modalBody input[readonly] {
    background: #e9ecef !important;
    cursor: not-allowed;
}

/* ==================== UTILIDADES ==================== */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }

.hidden {
    display: none !important;
}

.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ==================== SCROLLBAR PERSONALIZADO ==================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--color-gray-400);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray-500);
}