/* ============================================================
   GLOBAL STYLES - Sistema de Registro Electoral
   ============================================================ */

:root {
    --color-primary: #1e40af;
    --color-primary-light: #3b82f6;
    --color-primary-dark: #1e3a8a;
    --color-success: #16a34a;
    --color-danger: #dc2626;
    --color-warning: #f59e0b;
    --color-info: #0ea5e9;
    --color-dark: #0f172a;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;
    --color-white: #ffffff;
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 72px;
    --header-height: 60px;
    --border-radius: 10px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-gray-100);
    -webkit-font-smoothing: antialiased;
}

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

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

/* ============================================================
   LAYOUT: SIDEBAR + MAIN
   ============================================================ */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

/* SIDEBAR */
.sidebar {
    width: var(--sidebar-width);
    background: var(--color-dark);
    color: var(--color-white);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1040;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-header {
    padding: 1.25rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    flex-shrink: 0;
}

.sidebar-header .logo-sm {
    width: 40px;
    height: 40px;
    background: var(--color-primary-light);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.sidebar-header .brand-text {
    font-size: 0.85rem;
    font-weight: 600;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-nav {
    padding: 0.75rem 0;
    flex: 1;
}

.sidebar-nav .nav-section {
    padding: 0.5rem 1rem 0.25rem;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-gray-400);
    font-weight: 600;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 1rem;
    color: var(--color-gray-300);
    font-size: 0.875rem;
    font-weight: 400;
    border-radius: 0;
    transition: var(--transition);
    position: relative;
}

.sidebar-nav .nav-link i {
    width: 20px;
    text-align: center;
    font-size: 0.95rem;
    flex-shrink: 0;
}

.sidebar-nav .nav-link:hover {
    background: rgba(255,255,255,0.06);
    color: var(--color-white);
}

.sidebar-nav .nav-link.active {
    background: var(--color-primary);
    color: var(--color-white);
    font-weight: 500;
}

.sidebar-nav .nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--color-primary-light);
    border-radius: 0 2px 2px 0;
}

.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid rgba(255,255,255,0.08);
    flex-shrink: 0;
}

.sidebar-footer .user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-footer .user-avatar {
    width: 36px;
    height: 36px;
    background: var(--color-primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 600;
    flex-shrink: 0;
}

.sidebar-footer .user-details {
    overflow: hidden;
}

.sidebar-footer .user-name {
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-footer .user-role {
    font-size: 0.7rem;
    color: var(--color-gray-400);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* MAIN CONTENT AREA */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* TOP HEADER */
.top-header {
    height: var(--header-height);
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 1030;
    box-shadow: var(--shadow-sm);
}

.top-header .page-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-gray-800);
}

.top-header .header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--color-gray-600);
    cursor: pointer;
    padding: 0.25rem;
}

/* PAGE BODY */
.page-body {
    flex: 1;
    padding: 1.5rem;
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius);
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    padding: 1rem 1.25rem;
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-body {
    padding: 1.25rem;
}

/* STAT CARDS */
.stat-card {
    border-radius: var(--border-radius);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.stat-card .stat-icon.bg-primary { background: rgba(59,130,246,0.12); color: var(--color-primary-light); }
.stat-card .stat-icon.bg-success { background: rgba(22,163,74,0.12); color: var(--color-success); }
.stat-card .stat-icon.bg-warning { background: rgba(245,158,11,0.12); color: var(--color-warning); }
.stat-card .stat-icon.bg-danger  { background: rgba(220,38,38,0.12); color: var(--color-danger); }
.stat-card .stat-icon.bg-info    { background: rgba(14,165,233,0.12); color: var(--color-info); }

.stat-card .stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
    line-height: 1;
}

.stat-card .stat-label {
    font-size: 0.8rem;
    color: var(--color-gray-500);
    margin-top: 0.15rem;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    transition: var(--transition);
}

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

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

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

.btn-warning {
    background: var(--color-warning);
    border-color: var(--color-warning);
    color: var(--color-gray-900);
}

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

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
}

/* ============================================================
   TABLES
   ============================================================ */
.table-container {
    background: var(--color-white);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.table-container .card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.table {
    margin-bottom: 0;
    font-size: 0.875rem;
}

.table thead th {
    background: var(--color-gray-50);
    border-bottom: 2px solid var(--color-gray-200);
    color: var(--color-gray-600);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding: 0.75rem 1rem;
    white-space: nowrap;
}

.table tbody td {
    padding: 0.75rem 1rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--color-gray-100);
    color: var(--color-gray-700);
}

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

/* ============================================================
   FORMS
   ============================================================ */
.form-control, .form-select {
    border: 2px solid var(--color-gray-200);
    border-radius: 8px;
    padding: 0.55rem 0.85rem;
    font-size: 0.9rem;
    transition: var(--transition);
    color: var(--color-gray-800);
}

.form-control:focus, .form-select:focus {
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.form-label {
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--color-gray-700);
    margin-bottom: 0.35rem;
}

/* ============================================================
   BADGES / STATUS
   ============================================================ */
.badge-status {
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.badge-status.active {
    background: rgba(22,163,74,0.1);
    color: var(--color-success);
}

.badge-status.inactive {
    background: rgba(220,38,38,0.1);
    color: var(--color-danger);
}

.badge-status::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* ============================================================
   ALERTS & QUOTA PROGRESS
   ============================================================ */
.quota-progress {
    background: var(--color-gray-100);
    border-radius: 20px;
    height: 8px;
    overflow: hidden;
}

.quota-progress .progress-bar {
    border-radius: 20px;
    transition: width 0.5s ease;
}

.quota-alert {
    border-radius: var(--border-radius);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
}

.quota-alert.warning {
    background: rgba(245,158,11,0.08);
    border: 1px solid rgba(245,158,11,0.2);
    color: #92400e;
}

.quota-alert.danger {
    background: rgba(220,38,38,0.08);
    border: 1px solid rgba(220,38,38,0.2);
    color: #991b1b;
}

.quota-alert.success {
    background: rgba(22,163,74,0.08);
    border: 1px solid rgba(22,163,74,0.2);
    color: #166534;
}

/* ============================================================
   CHARTS
   ============================================================ */
.chart-container {
    position: relative;
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
}

/* ============================================================
   LOADING OVERLAY
   ============================================================ */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-box {
    background: var(--color-white);
    border-radius: 16px;
    padding: 2rem 2.5rem;
    text-align: center;
    box-shadow: 0 25px 50px rgba(0,0,0,0.25);
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--color-gray-200);
    border-top-color: var(--color-primary-light);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-box .loading-text {
    font-size: 0.9rem;
    color: var(--color-gray-600);
    font-weight: 500;
}

.loading-box .loading-progress {
    margin-top: 0.75rem;
    height: 4px;
    background: var(--color-gray-200);
    border-radius: 4px;
    overflow: hidden;
}

.loading-box .loading-progress-bar {
    height: 100%;
    background: var(--color-primary-light);
    border-radius: 4px;
    width: 0%;
    transition: width 0.3s;
}

/* ============================================================
   MOBILE SIDEBAR OVERLAY
   ============================================================ */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1035;
    display: none;
}

.sidebar-overlay.active {
    display: block;
}

/* ============================================================
   RESPONSIVE BREAKPOINTS
   ============================================================ */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .btn-sidebar-toggle {
        display: block;
    }

    .top-header {
        padding: 0 1rem;
    }

    .page-body {
        padding: 1rem;
    }
}

@media (max-width: 767.98px) {
    .stat-card {
        padding: 1rem;
    }

    .stat-card .stat-value {
        font-size: 1.25rem;
    }

    .table-container .card-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .page-body {
        padding: 0.75rem;
    }
}

@media (max-width: 575.98px) {
    .top-header .page-title {
        font-size: 0.95rem;
    }

    .card-body {
        padding: 1rem;
    }

    .btn {
        font-size: 0.8125rem;
        padding: 0.45rem 0.85rem;
    }
}

/* ============================================================
   UTILITIES
   ============================================================ */
.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.gap-grid {
    display: grid;
    gap: 1rem;
}

.gap-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.gap-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.gap-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 991.98px) {
    .gap-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .gap-grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 575.98px) {
    .gap-grid-4,
    .gap-grid-3,
    .gap-grid-2 { grid-template-columns: 1fr; }
}

/* DataTables overrides */
.dataTables_wrapper .dataTables_length select,
.dataTables_wrapper .dataTables_filter input {
    border: 2px solid var(--color-gray-200);
    border-radius: 8px;
    padding: 0.35rem 0.65rem;
    font-size: 0.875rem;
}

.dataTables_wrapper .dataTables_filter input:focus {
    border-color: var(--color-primary-light);
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    border-radius: 6px !important;
    margin: 0 2px;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--color-primary-light) !important;
    border-color: var(--color-primary-light) !important;
    color: var(--color-white) !important;
}

/* SweetAlert2 overrides */
.swal2-popup {
    border-radius: 16px !important;
    font-family: 'Inter', sans-serif !important;
}

.swal2-confirm {
    border-radius: 8px !important;
    font-weight: 600 !important;
}

.swal2-cancel {
    border-radius: 8px !important;
}