/**
 * Invoice Manager Pro - Frontend Styles
 * Version: 1.5.1
 */

/* Container */
.invoice-frontend-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* Header */
.invoice-header {
    color: white;
    padding: 40px;
    border-radius: 10px;
    margin-bottom: 30px;
    text-align: center;
}

.invoice-header h1 {
    margin: 0 0 10px 0;
    font-size: 32px;
}

.invoice-header p {
    margin: 0;
    opacity: 0.9;
}

/* Statistics Cards */
.invoice-stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.invoice-stat-card {
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    color: white;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.invoice-stat-card .stat-value {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 10px;
}

.invoice-stat-card .stat-label {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.9;
}

/* Sections */
.invoice-section {
    background: white;
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.invoice-section h2 {
    margin-top: 0;
    margin-bottom: 20px;
}

/* Tables */
.invoice-table-responsive {
    overflow-x: auto;
}

.invoice-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.invoice-table thead {
    color: white;
}

.invoice-table th {
    padding: 15px;
    text-align: left;
    font-weight: bold;
    text-transform: uppercase;
    font-size: 13px;
    letter-spacing: 0.5px;
}

.invoice-table td {
    padding: 15px;
    border-bottom: 1px solid #e0e0e0;
}

.invoice-table tbody tr:hover {
    background-color: #f8f9fa;
}

/* Buttons */
.invoice-btn,
.invoice-btn-primary,
.invoice-btn-secondary,
.invoice-btn-small {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.invoice-btn-primary {
    color: white;
}

.invoice-btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.invoice-btn-secondary {
    background: #6c757d;
    color: white;
}

.invoice-btn-secondary:hover {
    background: #5a6268;
}

.invoice-btn-small {
    padding: 8px 16px;
    font-size: 14px;
    color: white;
}

.invoice-btn-icon {
    background: #dc3545;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 3px;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
}

.invoice-btn-icon:hover {
    background: #c82333;
}

/* Forms */
.invoice-form-container {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.invoice-form-section {
    margin-bottom: 40px;
}

.invoice-form-section h2 {
    margin-top: 0;
    margin-bottom: 20px;
}

.invoice-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.invoice-form-group {
    display: flex;
    flex-direction: column;
}

.invoice-form-group label {
    margin-bottom: 8px;
    font-weight: bold;
    color: #333;
}

.invoice-form-group input,
.invoice-form-group textarea,
.invoice-form-group select {
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.invoice-form-group input:focus,
.invoice-form-group textarea:focus,
.invoice-form-group select:focus {
    border-color: var(--invoice-primary, #000043);
    outline: none;
}

/* Invoice Items Table */
.invoice-items-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.invoice-items-table thead {
    color: white;
}

.invoice-items-table th,
.invoice-items-table td {
    padding: 12px;
    text-align: left;
}

.invoice-items-table input {
    width: 100%;
    padding: 8px;
    border: 1px solid #e0e0e0;
    border-radius: 3px;
}

.invoice-items-table tbody tr {
    border-bottom: 1px solid #e0e0e0;
}

.invoice-items-table .item-total {
    font-weight: bold;
}

/* Totals Section */
.invoice-totals-section {
    max-width: 400px;
    margin-left: auto;
    margin-bottom: 30px;
}

.totals-table {
    border-radius: 5px;
    overflow: hidden;
}

.total-row {
    display: flex;
    justify-content: space-between;
    padding: 15px 20px;
    border-bottom: 1px solid #e0e0e0;
}

.total-row.grand-total {
    color: white;
    font-size: 18px;
    border-bottom: none;
}

/* Form Actions */
.invoice-form-actions {
    text-align: center;
    margin-top: 30px;
}

/* Empty State */
.invoice-empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #666;
}

.empty-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

/* Notice Messages */
.invoice-notice {
    padding: 15px 20px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.invoice-notice-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.invoice-notice-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Invoice Document View */
.invoice-view .invoice-document {
    background: white;
    padding: 60px;
    margin: 20px 0;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.invoice-doc-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 3px solid #000043;
}

.company-info {
    flex: 1;
}

.company-logo {
    max-width: 200px;
    max-height: 100px;
    margin-bottom: 20px;
}

.invoice-title {
    text-align: right;
}

.invoice-title h1 {
    margin: 0 0 10px 0;
    font-size: 36px;
}

.invoice-parties {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.party-box {
    border-left: 4px solid;
    padding-left: 20px;
}

.party-box h3 {
    margin-top: 0;
    margin-bottom: 10px;
}

.invoice-totals {
    max-width: 400px;
    margin-left: auto;
    margin-top: 30px;
}

.invoice-footer {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 2px solid #e0e0e0;
}

/* Actions */
.invoice-actions {
    margin-bottom: 20px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    .invoice-document {
        box-shadow: none !important;
        padding: 20px !important;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .invoice-stats-row {
        grid-template-columns: 1fr;
    }
    
    .invoice-form-grid {
        grid-template-columns: 1fr;
    }
    
    .invoice-doc-header {
        flex-direction: column;
        gap: 30px;
    }
    
    .invoice-title {
        text-align: left;
    }
    
    .invoice-view .invoice-document {
        padding: 30px 20px;
    }
    
    .invoice-table th:nth-child(2),
    .invoice-table td:nth-child(2) {
        display: none;
    }
}

@media (max-width: 480px) {
    .invoice-header {
        padding: 30px 20px;
    }
    
    .invoice-header h1 {
        font-size: 24px;
    }
    
    .invoice-stat-card .stat-value {
        font-size: 28px;
    }
    
    .invoice-section {
        padding: 20px;
    }
}