/* Enhanced Dashboard Styles */

/* Welcome Header */
.welcome-header {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.welcome-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.welcome-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
    margin: 0;
}

.welcome-header p {
    font-size: 1rem;
    color: #94a3b8;
}

/* Enhanced Stats Cards */
.stats-card-enhanced {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.95) 0%, rgba(15, 23, 42, 0.95) 100%);
    border-radius: 16px;
    padding: 0;
    border: 1px solid rgba(99, 102, 241, 0.3);
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
    height: 100%;
}

.stats-card-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), #8b5cf6);
    transition: height 0.3s ease;
}

.stats-card-enhanced:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.3);
    border-color: rgba(99, 102, 241, 0.6);
}

.stats-card-enhanced:hover::before {
    height: 6px;
}

.stats-card-enhanced.success-card::before {
    background: linear-gradient(90deg, #10b981, #059669);
}

.stats-card-enhanced.danger-card::before {
    background: linear-gradient(90deg, #ef4444, #dc2626);
}

.stats-card-enhanced.warning-card::before {
    background: linear-gradient(90deg, #f59e0b, #d97706);
}

.stats-card-body {
    padding: 1.75rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.stats-icon-wrapper {
    flex-shrink: 0;
}

.stats-icon {
    width: 70px;
    height: 70px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: white;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.stats-card-enhanced:hover .stats-icon {
    transform: scale(1.1) rotate(5deg);
}

.stats-icon.primary {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
}

.stats-icon.success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.stats-icon.danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.stats-icon.warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.stats-content {
    flex: 1;
}

.stats-number {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.5rem;
    color: #fff;
    background: linear-gradient(135deg, #a5b4fc 0%, #c7d2fe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stats-number.text-success {
    background: linear-gradient(135deg, #86efac 0%, #6ee7b7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stats-number.text-danger {
    background: linear-gradient(135deg, #fca5a5 0%, #fbbf24 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stats-number.text-warning {
    background: linear-gradient(135deg, #fcd34d 0%, #fbbf24 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stats-label {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #94a3b8;
    margin-bottom: 0.75rem;
}

.stats-trend {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.75rem;
    background: rgba(99, 102, 241, 0.15);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #a5b4fc;
}

.stats-trend.success {
    background: rgba(16, 185, 129, 0.15);
    color: #86efac;
}

.stats-trend.danger {
    background: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
}

.stats-trend.warning {
    background: rgba(245, 158, 11, 0.15);
    color: #fcd34d;
}

.stats-trend i {
    font-size: 0.7rem;
}

/* Enhanced Datasets Card */
.datasets-card {
    border-radius: 16px;
    overflow: hidden;
}

.card-header-enhanced {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(139, 92, 246, 0.15) 100%);
    border-bottom: 1px solid rgba(99, 102, 241, 0.3);
    padding: 1.5rem;
}

.card-header-enhanced h5 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    margin: 0;
}

.card-header-enhanced small {
    color: #94a3b8;
}

/* Enhanced Empty State */
.empty-state-enhanced {
    text-align: center;
    padding: 5rem 2rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    border-radius: 16px;
    margin: 2rem;
}

.empty-state-animation {
    width: 120px;
    height: 120px;
    margin: 0 auto;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 2s ease-in-out infinite;
}

.empty-state-animation i {
    font-size: 3.5rem;
    color: var(--primary);
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 0 20px rgba(99, 102, 241, 0);
    }
}

.empty-state-enhanced h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: #fff;
}

.empty-state-enhanced p {
    font-size: 1rem;
    color: #94a3b8;
}

/* Modern Table Styles */
.table-modern {
    margin: 0;
}

.table-modern thead {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(139, 92, 246, 0.15) 100%);
    border-bottom: 2px solid rgba(99, 102, 241, 0.3);
}

.table-modern thead th {
    padding: 1.25rem 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #a5b4fc;
    border: none;
}

.table-modern tbody tr {
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.table-modern tbody tr:hover {
    background: rgba(99, 102, 241, 0.08);
    transform: scale(1.01);
}

.table-modern tbody td {
    padding: 1.25rem 1rem;
    vertical-align: middle;
    color: #e2e8f0;
    border: none;
}

.dataset-row {
    position: relative;
}

.dataset-id {
    font-weight: 700;
    color: #a5b4fc;
    font-size: 0.875rem;
}

.dataset-name-cell {
    display: flex;
    align-items: center;
    font-size: 0.95rem;
}

.dataset-name-cell i {
    font-size: 1.1rem;
}

/* Modern Badges */
.badge-modern {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.8rem;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.badge-modern.badge-secondary {
    background: rgba(100, 116, 139, 0.2);
    color: #cbd5e1;
    border: 1px solid rgba(100, 116, 139, 0.3);
}

.badge-modern.badge-success {
    background: rgba(16, 185, 129, 0.2);
    color: #86efac;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-modern.badge-danger {
    background: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Progress Wrapper */
.progress-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.progress {
    width: 100%;
    background: rgba(15, 23, 42, 0.6);
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, #10b981, #059669);
    transition: width 0.6s ease;
}

/* Date Cell */
.date-cell {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: #94a3b8;
}

.date-cell i {
    font-size: 0.875rem;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    align-items: center;
}

.btn-action {
    width: 38px;
    height: 38px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.btn-action:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.btn-action.btn-primary {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white;
}

.btn-action.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.btn-action.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
}

.btn-action.btn-success:hover {
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
}

.btn-action.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
}

.btn-action.btn-danger:hover {
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.5);
}

/* Quick Info Card */
.quick-info-card {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    backdrop-filter: blur(10px);
}

.quick-info-card i {
    font-size: 1.25rem;
}

/* Button Enhancements */
.btn-outline-light {
    border-color: rgba(255, 255, 255, 0.2);
    color: #cbd5e1;
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    color: #fff;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .stats-number {
        font-size: 2rem;
    }
    
    .stats-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .welcome-header {
        padding: 1.5rem;
    }
    
    .welcome-header h1 {
        font-size: 1.5rem;
    }
    
    .stats-card-body {
        padding: 1.25rem;
        gap: 1rem;
    }
    
    .stats-number {
        font-size: 1.75rem;
    }
    
    .stats-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .card-header-enhanced {
        padding: 1.25rem;
    }
    
    .table-modern thead th,
    .table-modern tbody td {
        padding: 0.875rem 0.5rem;
        font-size: 0.85rem;
    }
    
    .btn-action {
        width: 34px;
        height: 34px;
    }
    
    .action-buttons {
        gap: 0.25rem;
    }
}

@media (max-width: 576px) {
    .welcome-header h1 {
        font-size: 1.25rem;
    }
    
    .stats-card-body {
        flex-direction: column;
        text-align: center;
        padding: 1rem;
    }
    
    .stats-number {
        font-size: 1.5rem;
    }
    
    .empty-state-enhanced {
        padding: 3rem 1rem;
    }
    
    .empty-state-animation {
        width: 100px;
        height: 100px;
    }
    
    .empty-state-animation i {
        font-size: 2.5rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stats-card-enhanced,
.datasets-card,
.quick-info-card {
    animation: fadeInUp 0.6s ease forwards;
}

.stats-card-enhanced:nth-child(1) { animation-delay: 0.1s; }
.stats-card-enhanced:nth-child(2) { animation-delay: 0.2s; }
.stats-card-enhanced:nth-child(3) { animation-delay: 0.3s; }
.stats-card-enhanced:nth-child(4) { animation-delay: 0.4s; }

.dataset-row {
    animation: fadeInUp 0.4s ease forwards;
}

.dataset-row:nth-child(1) { animation-delay: 0.05s; }
.dataset-row:nth-child(2) { animation-delay: 0.1s; }
.dataset-row:nth-child(3) { animation-delay: 0.15s; }
.dataset-row:nth-child(4) { animation-delay: 0.2s; }
.dataset-row:nth-child(5) { animation-delay: 0.25s; }