/* Custom Styles for IXC Invoice Search */
:root {
    --primary-color: #0d6efd;
    --primary-dark: #0b5ed7;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --light-bg: #f8f9fa;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.bg-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Logo styles */
.logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo-img {
    max-height: 70px;
    max-width: 200px;
    height: auto;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1); /* Makes logo white on dark background */
    display: block;
}

/* Mobile responsive logo */
@media (max-width: 768px) {
    .logo-img {
        max-height: 80px !important;
        max-width: 250px !important;
        display: block !important;
        visibility: visible !important;
    }
    
    .logo-container {
        margin-bottom: 1rem;
        display: flex !important;
        visibility: visible !important;
    }
}

.card {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)) !important;
    border-bottom: none;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.3);
}

.invoice-card {
    border: 1px solid #e9ecef;
    border-radius: 12px;
    transition: all 0.3s ease;
    background: #fff;
}

.invoice-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--shadow-color);
    border-color: var(--primary-color);
}

.invoice-header {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: 12px 12px 0 0;
    border-bottom: 1px solid #dee2e6;
}

.status-badge {
    font-size: 0.75rem;
    padding: 0.375rem 0.75rem;
    border-radius: 20px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-pending {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

.status-overdue {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.status-paid {
    background-color: #d1edff;
    color: #0c5460;
    border: 1px solid #b8daff;
}

.status-cancelled {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.status-partial {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

.status-unknown {
    background-color: #e2e3e5;
    color: #383d41;
    border: 1px solid #d6d8db;
}

.copy-btn {
    background: linear-gradient(135deg, var(--success-color), #157347);
    border: none;
    border-radius: 8px;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.copy-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(25, 135, 84, 0.3);
}

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

.invoice-details {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 1rem;
    margin-top: 1rem;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid #e9ecef;
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-label {
    font-weight: 600;
    color: #495057;
    font-size: 0.875rem;
}

.detail-value {
    font-weight: 500;
    color: #212529;
}

.amount-highlight {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.alert {
    border: none;
    border-radius: 12px;
    padding: 1rem 1.5rem;
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da, #f5c6cb);
    color: #721c24;
}

.alert-info {
    background: linear-gradient(135deg, #d1ecf1, #bee5eb);
    color: #0c5460;
}

.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    z-index: 10;
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(13, 110, 253, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(13, 110, 253, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(13, 110, 253, 0);
    }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .card-body {
        padding: 2rem !important;
    }
    
    .invoice-card {
        margin-bottom: 1rem;
    }
    
    .detail-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }
}

/* Security indicator */
.security-badge {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: rgba(25, 135, 84, 0.9);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
    z-index: 1000;
}

/* Toast customization */
.toast {
    border: none;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.toast-header.bg-success {
    background: linear-gradient(135deg, var(--success-color), #157347) !important;
}