:root {
    --bg-dark: #0f1117;
    --bg-card: #1a1d29;
    --bg-sidebar: #14161f;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-light: #60a5fa;
    --text-primary: #e5e7eb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --border: #2d3142;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #0f1117 0%, #1a1d29 100%);
    --radius: 12px;
    --shadow: 0 4px 24px rgba(0,0,0,0.3);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: url('/crm/assets/img/backgrounds/bg5.jpg') center center / cover no-repeat fixed;
    color: var(--text-primary);
    min-height: 100vh;
}

/* ===== LOGIN PAGE ===== */
.login-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: url('/crm/assets/img/backgrounds/bg1.jpg') center center / cover no-repeat;
    position: relative;
}

.login-wrapper::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(2px);
}

.login-card {
    background: rgba(20, 20, 30, 0.85);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    width: 400px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
    position: relative;
    z-index: 1;
    backdrop-filter: blur(10px);
}

.login-logo {
    text-align: center;
    margin-bottom: 30px;
}

.login-logo span {
    font-size: 32px;
    display: block;
}

.login-logo h2 {
    font-size: 20px;
    color: var(--text-primary);
    margin-top: 10px;
}

.login-logo p {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 5px;
}

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

.form-group label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.2s;
}

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

.btn-primary {
    width: 100%;
    padding: 12px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

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

.btn-secondary {
    padding: 8px 16px;
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

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

.btn-danger {
    padding: 6px 12px;
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-danger:hover {
    background: var(--danger);
    color: #fff;
}

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 20px;
}

.alert-error {
    background: rgba(239,68,68,0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
}

.alert-success {
    background: rgba(16,185,129,0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

/* ===== DASHBOARD LAYOUT ===== */
.app-wrapper {
    display: flex;
    min-height: 100vh;
    position: relative;
}

.app-wrapper::before {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15, 17, 23, 0.92);
    z-index: 0;
}

.app-wrapper > * {
    position: relative;
    z-index: 1;
}

.sidebar {
    width: 240px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    padding: 20px 0;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-logo {
    padding: 0 24px 20px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 15px;
}

.sidebar-logo h3 {
    font-size: 18px;
    color: var(--text-primary);
}

.sidebar-logo span {
    font-size: 11px;
    color: var(--text-muted);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.15s;
    border-left: 3px solid transparent;
    cursor: pointer;
}

.nav-item:hover {
    background: rgba(59,130,246,0.08);
    color: var(--text-primary);
}

.nav-item.active {
    background: rgba(59,130,246,0.12);
    border-left-color: var(--accent);
    color: var(--accent-light);
}

.nav-item .icon {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

.main-content {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 25px;
}

.page-header h1 {
    font-size: 24px;
    color: var(--text-primary);
}

/* ===== STATS CARDS ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}

.stat-card .label {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.stat-card .value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-card .sub {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ===== TABLES ===== */
.table-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

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

thead {
    background: var(--bg-sidebar);
}

th {
    padding: 14px 16px;
    text-align: left;
    font-size: 12px;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border);
}

td {
    padding: 14px 16px;
    font-size: 14px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border);
}

tbody tr:hover {
    background: rgba(59,130,246,0.05);
}

tbody tr:last-child td {
    border-bottom: none;
}

.badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
}

.badge-success {
    background: rgba(16,185,129,0.15);
    color: var(--success);
}

.badge-warning {
    background: rgba(245,158,11,0.15);
    color: var(--warning);
}

.badge-danger {
    background: rgba(239,68,68,0.15);
    color: var(--danger);
}

/* ===== SEARCH FORM ===== */
.search-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
}

.search-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.search-actions {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

/* ===== MODAL ===== */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 100;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px;
    width: 95%;
    max-width: 1100px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal h2 {
    margin-bottom: 20px;
    font-size: 20px;
}

.modal-close {
    float: right;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 24px;
}

/* ===== LOADER ===== */
.loader {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    /* Sidebar -> menu hamburguesa */
    .sidebar {
        position: fixed;
        left: -260px;
        top: 0;
        width: 240px;
        height: 100vh;
        z-index: 200;
        transition: left 0.3s ease;
    }
    .sidebar.open {
        left: 0;
    }
    .sidebar-toggle {
        display: flex !important;
        position: fixed;
        top: 15px;
        left: 15px;
        z-index: 201;
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: 8px;
        padding: 8px 12px;
        color: var(--text-primary);
        font-size: 20px;
        cursor: pointer;
    }
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 199;
    }
    .sidebar-overlay.open {
        display: block;
    }
    .main-content {
        padding: 50px 15px 15px;
        width: 100%;
    }
    
    /* Stats en columna */
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .stat-card {
        padding: 14px;
    }
    .stat-card .value {
        font-size: 22px;
    }
    
    /* Tabla -> tarjetas */
    .table-wrapper {
        background: transparent;
        border: none;
        border-radius: 0;
        overflow: visible;
    }
    table, thead, tbody, tr, th, td {
        display: block;
        width: 100%;
    }
    thead {
        display: none;
    }
    tbody tr {
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        margin-bottom: 12px;
        padding: 12px 16px;
    }
    tbody tr:hover {
        background: var(--bg-card);
    }
    td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 6px 0;
        border-bottom: 1px solid rgba(45,49,66,0.5);
        font-size: 13px;
    }
    td:last-child {
        border-bottom: none;
    }
    td::before {
        content: attr(data-label);
        color: var(--text-muted);
        font-size: 11px;
        text-transform: uppercase;
        font-weight: 600;
        margin-right: 12px;
        flex-shrink: 0;
    }
    .customer-checkbox {
        position: absolute;
        right: 12px;
        top: 12px;
    }
    
    /* Search */
    .search-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .search-actions {
        flex-direction: column;
    }
    
    /* Modal */
    .modal {
        width: 95%;
        padding: 20px;
        max-height: 90vh;
    }
    .modal h2 {
        font-size: 18px;
    }
    
    /* Botones mas grandes */
    .btn-primary, .btn-secondary, .btn-danger {
        padding: 14px 20px;
        font-size: 15px;
    }
    
    /* Login */
    .login-card { width: 90%; padding: 25px; }
    
    /* Bulk bar */
    #bulk-delete-bar {
        flex-direction: column;
        gap: 8px;
        padding: 10px 15px;
    }
    #bulk-delete-bar > div:last-child {
        flex-direction: column;
        gap: 6px;
        width: 100%;
    }
    #bulk-delete-bar button {
        width: 100% !important;
    }
    
    /* Scores en vista detalle */
    #scores-section {
        grid-template-columns: 1fr !important;
    }
    
    /* Formularios */
    .form-group {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .main-content { padding: 50px 10px 10px; }
    .stat-card .value { font-size: 18px; }
    td { font-size: 12px; }
    .login-logo h2 { font-size: 18px; }
    .btn-primary, .btn-secondary, .btn-danger {
        padding: 12px 16px;
        font-size: 14px;
    }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }