/* Tema Dark Elegante */
[data-theme="dark"] {
    --dark-primary: #1e1e2e;
    --dark-secondary: #2a2a3e;
    --dark-accent: #6366f1;
    --dark-accent-hover: #4f46e5;
    --dark-success: #10b981;
    --dark-warning: #f59e0b;
    --dark-danger: #ef4444;
    --dark-text: #f8fafc;
    --dark-text-muted: #94a3b8;
    --dark-border: #374151;
    --dark-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    
    background: linear-gradient(135deg, var(--dark-primary) 0%, #1a1a2a 100%);
    color: var(--dark-text);
}

[data-theme="dark"] .theme-card {
    background: var(--dark-secondary);
    border: 1px solid var(--dark-border);
    border-radius: 15px;
    padding: var(--padding-card);
    margin: var(--margin-card) 0;
    box-shadow: var(--dark-shadow);
    backdrop-filter: blur(10px);
}

[data-theme="dark"] .theme-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.2);
    border-color: var(--dark-accent);
}

[data-theme="dark"] .theme-btn {
    background: var(--dark-accent);
    border: none;
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    box-shadow: 0 2px 10px rgba(99, 102, 241, 0.3);
}

[data-theme="dark"] .theme-btn:hover {
    background: var(--dark-accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

[data-theme="dark"] .theme-btn.btn-pink {
    background: var(--dark-danger);
    box-shadow: 0 2px 10px rgba(239, 68, 68, 0.3);
}

[data-theme="dark"] .theme-btn.btn-pink:hover {
    background: #dc2626;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
}

[data-theme="dark"] .theme-btn.btn-green {
    background: var(--dark-success);
    box-shadow: 0 2px 10px rgba(16, 185, 129, 0.3);
}

[data-theme="dark"] .theme-btn.btn-green:hover {
    background: #059669;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background: rgba(42, 42, 62, 0.8);
    border: 2px solid var(--dark-border);
    color: var(--dark-text);
    border-radius: var(--border-radius);
    padding: 12px 15px;
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    background: rgba(42, 42, 62, 1);
    border-color: var(--dark-accent);
    color: var(--dark-text);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

[data-theme="dark"] .form-control::placeholder {
    color: var(--dark-text-muted);
}

[data-theme="dark"] .form-label {
    color: var(--dark-text);
    font-weight: 600;
    margin-bottom: 8px;
    display: block;
}

[data-theme="dark"] .nav-link {
    color: var(--dark-text-muted) !important;
    border-left: 3px solid transparent;
    padding: 12px 20px !important;
    border-radius: 0 8px 8px 0;
    margin-bottom: 2px;
}

[data-theme="dark"] .nav-link:hover {
    color: var(--dark-text) !important;
    background: rgba(99, 102, 241, 0.1);
    border-left-color: var(--dark-accent);
}

[data-theme="dark"] .nav-link.active {
    color: var(--dark-text) !important;
    background: rgba(99, 102, 241, 0.2);
    border-left-color: var(--dark-accent);
    font-weight: 600;
}

[data-theme="dark"] .table {
    background: var(--dark-secondary);
    color: var(--dark-text);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--dark-shadow);
}

[data-theme="dark"] .table thead {
    background: var(--dark-accent);
    color: white;
}

[data-theme="dark"] .table th {
    padding: 16px;
    font-weight: 600;
    border: none;
}

[data-theme="dark"] .table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--dark-border);
}

[data-theme="dark"] .table tbody tr:hover {
    background: rgba(99, 102, 241, 0.05);
}

[data-theme="dark"] .theme-title {
    color: var(--dark-text);
    font-weight: 700;
    text-align: center;
    background: linear-gradient(45deg, var(--dark-accent), #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .theme-subtitle {
    color: var(--dark-text);
    font-weight: 600;
}

[data-theme="dark"] .alert {
    border-radius: var(--border-radius);
    padding: 16px;
    margin: 15px 0;
    border: none;
}

[data-theme="dark"] .alert.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--dark-success);
    border-left: 4px solid var(--dark-success);
}

[data-theme="dark"] .alert.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--dark-danger);
    border-left: 4px solid var(--dark-danger);
}

[data-theme="dark"] .dashboard-card {
    background: var(--dark-secondary);
    border: 1px solid var(--dark-border);
    border-radius: 15px;
    padding: 24px;
    text-align: center;
    box-shadow: var(--dark-shadow);
}

[data-theme="dark"] .dashboard-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .dashboard-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-accent);
}

[data-theme="dark"] .sidebar {
    background: var(--dark-secondary);
    border-right: 1px solid var(--dark-border);
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .top-row {
    background: var(--dark-secondary);
    border-bottom: 1px solid var(--dark-border);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}