/* Custom styles for the invoice application */

/* Smooth transitions for all interactive elements */
* {
    transition: all 0.2s ease-in-out;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Enhanced hover effects */
.hover-lift:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Custom button styles */
.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    border: none;
    box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    box-shadow: 0 8px 15px -3px rgba(59, 130, 246, 0.4);
    transform: translateY(-1px);
}

/* Enhanced form inputs */
.form-input:focus {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    border-color: #3b82f6;
}

/* Animation for loading states */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f4f6;
    border-top: 2px solid #3b82f6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Custom table styles */
.invoice-table {
    border-collapse: separate;
    border-spacing: 0;
}

.invoice-table th:first-child {
    border-top-left-radius: 8px;
}

.invoice-table th:last-child {
    border-top-right-radius: 8px;
}

.invoice-table tr:last-child td:first-child {
    border-bottom-left-radius: 8px;
}

.invoice-table tr:last-child td:last-child {
    border-bottom-right-radius: 8px;
}

/* Status badges with enhanced styling */
.status-badge {
    position: relative;
    overflow: hidden;
}

.status-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.status-badge:hover::before {
    left: 100%;
}

/* Enhanced invoice preview styles */
.invoice-preview {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid #e2e8f0;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Print styles */
@media print {
    body {
        font-size: 12px;
        line-height: 1.4;
    }
    
    .no-print {
        display: none !important;
    }
    
    .invoice-preview {
        box-shadow: none;
        border: none;
    }
    
    /* Ensure proper page breaks */
    .page-break {
        page-break-after: always;
    }
    
    .page-break-inside {
        page-break-inside: avoid;
    }
}

/* Mobile responsiveness enhancements */
@media (max-width: 768px) {
    .mobile-stack > * {
        width: 100% !important;
        margin-bottom: 1rem;
    }
    
    .mobile-hide {
        display: none;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
    
    .mobile-text-sm {
        font-size: 0.75rem;
    }
}

/* Custom animations */
.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

.slide-in {
    animation: slideIn 0.5s ease-out;
}

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

@keyframes slideIn {
    from { 
        transform: translateX(-20px);
        opacity: 0;
    }
    to { 
        transform: translateX(0);
        opacity: 1;
    }
}

/* Enhanced focus styles for accessibility */
.focus-ring:focus {
    outline: 2px solid transparent;
    outline-offset: 2px;
    box-shadow: 0 0 0 2px #ffffff, 0 0 0 4px #3b82f6;
}

/* Custom gradient backgrounds */
.gradient-blue {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.gradient-green {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.gradient-red {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

/* Enhanced card styles */
.card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

/* Custom form validation styles */
.input-error {
    border-color: #ef4444 !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
}

.input-success {
    border-color: #10b981 !important;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1) !important;
}

/* Tooltip styles */
.tooltip {
    position: relative;
}

.tooltip::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: #1f2937;
    color: white;
    padding: 0.5rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 1000;
}

.tooltip:hover::before {
    opacity: 1;
    visibility: visible;
}