/**
 * Invoice Generator (Advanced Mode) - Frontend Styles
 * Path: assets/css/invoice-generator.css
 * Colors: #51B105 (Primary), #52AF05 (Dark)
 * Scoped to prevent conflicts with other plugins
 */

/* CSS Variables - Scoped to plugin container */
.iga-container {
    --iga-primary: #51B105;
    --iga-dark: #52AF05;
    --iga-text-dark: #2c3e50;
    --iga-text-light: #7f8c8d;
    --iga-border: #ddd;
    --iga-bg-light: #f8f9fa;
    --iga-white: #ffffff;
    --iga-error: #e74c3c;
    --iga-success: #27ae60;
    --iga-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Reset only for plugin elements */
.iga-container *,
.iga-container *::before,
.iga-container *::after {
    box-sizing: border-box;
}

/* Main Container */
.iga-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
    color: var(--iga-text-dark);
    line-height: 1.6;
}

/* Section Styling */
.iga-container .iga-section {
    background: var(--iga-white);
    border: 1px solid var(--iga-border);
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--iga-shadow);
}

.iga-container .iga-section-title {
    margin: 0 0 20px 0;
    font-size: 20px;
    font-weight: 600;
    color: var(--iga-dark);
    border-bottom: 2px solid var(--iga-primary);
    padding-bottom: 8px;
}

/* Form Layouts */
.iga-container .iga-form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

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

.iga-container .iga-form-group label {
    font-weight: 500;
    margin-bottom: 6px;
    font-size: 14px;
    color: var(--iga-text-dark);
}

/* Input Elements */
.iga-container .iga-input,
.iga-container .iga-select,
.iga-container .iga-textarea {
    padding: 10px 12px;
    border: 1px solid var(--iga-border);
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--iga-white);
    width: 100%;
}

.iga-container .iga-input:focus,
.iga-container .iga-select:focus,
.iga-container .iga-textarea:focus {
    outline: none;
    border-color: var(--iga-primary);
    box-shadow: 0 0 0 3px rgba(81, 177, 5, 0.1);
}

.iga-container .iga-input:disabled,
.iga-container .iga-select:disabled,
.iga-container .iga-textarea:disabled {
    background: #f5f5f5;
    cursor: not-allowed;
    opacity: 0.6;
}

.iga-container .iga-textarea {
    resize: vertical;
    min-height: 80px;
}

.iga-container .iga-help-text {
    font-size: 12px;
    color: var(--iga-text-light);
    margin-top: 4px;
}

/* Info Box */
.iga-container .iga-info-box {
    background: #e8f5e9;
    border-left: 4px solid var(--iga-primary);
    padding: 12px 16px;
    margin-top: 12px;
    border-radius: 4px;
    font-size: 14px;
}

/* Buttons */
.iga-container .iga-button {
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.iga-container .iga-button-primary {
    background: var(--iga-primary);
    color: var(--iga-white);
}

.iga-container .iga-button-primary:hover {
    background: var(--iga-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(81, 177, 5, 0.3);
}

.iga-container .iga-button-secondary {
    background: var(--iga-text-light);
    color: var(--iga-white);
}

.iga-container .iga-button-secondary:hover {
    background: var(--iga-text-dark);
}

.iga-container .iga-button-outline {
    background: transparent;
    border: 2px solid var(--iga-primary);
    color: var(--iga-primary);
}

.iga-container .iga-button-outline:hover {
    background: var(--iga-primary);
    color: var(--iga-white);
}

.iga-container .iga-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Items Container */
.iga-container #iga-items-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 16px;
}

.iga-container .iga-item-row {
    border: 1px solid var(--iga-border);
    border-radius: 6px;
    padding: 16px;
    background: var(--iga-bg-light);
}

.iga-container .iga-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.iga-container .iga-item-number {
    font-weight: 600;
    color: var(--iga-dark);
    font-size: 14px;
}

.iga-container .iga-item-remove {
    background: var(--iga-error);
    color: var(--iga-white);
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.3s ease;
}

.iga-container .iga-item-remove:hover {
    background: #c0392b;
}

.iga-container .iga-item-preview {
    margin-top: 12px;
    padding: 8px;
    background: var(--iga-white);
    border: 1px solid var(--iga-border);
    border-radius: 4px;
    font-size: 13px;
}

/* Tables */
.iga-container .iga-table-responsive {
    overflow-x: auto;
    margin: 20px 0;
}

.iga-container .iga-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.iga-container .iga-table thead {
    background: var(--iga-dark);
    color: var(--iga-white);
}

.iga-container .iga-table th,
.iga-container .iga-table td {
    padding: 12px;
    text-align: left;
    border: 1px solid var(--iga-border);
}

.iga-container .iga-table tbody tr:nth-child(even) {
    background: var(--iga-bg-light);
}

.iga-container .iga-table tbody tr:hover {
    background: rgba(81, 177, 5, 0.05);
}

/* Invoice Output */
.iga-container .iga-invoice {
    background: var(--iga-white);
    padding: 40px;
    margin: 20px 0;
    border: 1px solid var(--iga-border);
    box-shadow: var(--iga-shadow);
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.iga-container .iga-invoice-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 3px solid var(--iga-primary);
}

.iga-container .iga-invoice-logo-title h1 {
    margin: 0;
    font-size: 32px;
    color: var(--iga-dark);
    font-weight: 700;
}

.iga-container .iga-reverse-charge-note {
    color: var(--iga-error);
    font-weight: 600;
    margin: 5px 0 0 0;
    font-size: 14px;
}

.iga-container .iga-invoice-meta {
    text-align: right;
}

.iga-container .iga-invoice-meta p {
    margin: 4px 0;
    font-size: 14px;
}

/* Party Details */
.iga-container .iga-party-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.iga-container .iga-party-box {
    border: 1px solid var(--iga-border);
    padding: 16px;
    border-radius: 6px;
    background: var(--iga-bg-light);
}

.iga-container .iga-party-box h3 {
    margin: 0 0 12px 0;
    color: var(--iga-dark);
    font-size: 16px;
    font-weight: 600;
    border-bottom: 2px solid var(--iga-primary);
    padding-bottom: 6px;
}

.iga-container .iga-party-box p {
    margin: 6px 0;
    font-size: 14px;
}

/* Invoice Table */
.iga-container .iga-invoice-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 13px;
}

.iga-container .iga-invoice-table thead {
    background: var(--iga-dark);
    color: var(--iga-white);
}

.iga-container .iga-invoice-table th {
    padding: 10px 8px;
    text-align: left;
    font-weight: 600;
    border: 1px solid #444;
}

.iga-container .iga-invoice-table td {
    padding: 10px 8px;
    border: 1px solid var(--iga-border);
}

.iga-container .iga-invoice-table tbody tr:nth-child(even) {
    background: var(--iga-bg-light);
}

/* Tax Summary */
.iga-container .iga-tax-summary {
    max-width: 400px;
    margin-left: auto;
    margin-top: 20px;
    border: 1px solid var(--iga-border);
    border-radius: 6px;
    overflow: hidden;
}

.iga-container .iga-tax-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--iga-border);
}

.iga-container .iga-tax-row:last-child {
    border-bottom: none;
}

.iga-container .iga-tax-row.iga-reverse-charge {
    background: #fff3cd;
    color: #856404;
    font-weight: 600;
}

.iga-container .iga-tax-row.iga-grand-total {
    background: var(--iga-dark);
    color: var(--iga-white);
    font-weight: 700;
    font-size: 16px;
}

/* Amount in Words */
.iga-container .iga-amount-words {
    margin: 20px 0;
    padding: 12px 16px;
    background: var(--iga-bg-light);
    border-left: 4px solid var(--iga-primary);
    border-radius: 4px;
}

.iga-container .iga-amount-words p {
    margin: 0;
    font-size: 14px;
}

/* EMI Details */
.iga-container .iga-emi-details {
    margin: 30px 0;
}

.iga-container .iga-emi-details h3 {
    color: var(--iga-dark);
    margin: 20px 0 12px 0;
    font-size: 18px;
}

.iga-container .iga-loan-summary {
    background: var(--iga-bg-light);
    padding: 16px;
    border-radius: 6px;
    border-left: 4px solid var(--iga-primary);
    margin-bottom: 20px;
}

.iga-container .iga-loan-summary p {
    margin: 6px 0;
    font-size: 14px;
}

/* Declaration & Footer */
.iga-container .iga-declaration {
    margin: 20px 0;
    padding: 12px 16px;
    background: #f0f0f0;
    border-radius: 4px;
    font-size: 13px;
}

.iga-container .iga-disclaimer {
    margin: 20px 0;
    padding: 12px 16px;
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    border-radius: 4px;
    font-size: 13px;
}

.iga-container .iga-footer-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--iga-border);
}

.iga-container .iga-bank-details h4,
.iga-container .iga-signature p {
    margin: 0 0 8px 0;
    font-size: 14px;
    font-weight: 600;
}

.iga-container .iga-signature {
    text-align: right;
}

.iga-container .iga-signature-line {
    width: 200px;
    height: 60px;
    margin: 20px 0 10px auto;
    border-bottom: 2px solid var(--iga-text-dark);
}

/* Invoice Actions */
.iga-container .iga-invoice-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px dashed var(--iga-border);
}

/* Loading State */
.iga-container .iga-loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--iga-white);
    animation: iga-spin 1s ease-in-out infinite;
}

@keyframes iga-spin {
    to {
        transform: rotate(360deg);
    }
}

/* Error/Success States */
.iga-container .iga-error {
    color: var(--iga-error);
    font-size: 13px;
    margin-top: 4px;
}

.iga-container .iga-input.error,
.iga-container .iga-select.error,
.iga-container .iga-textarea.error {
    border-color: var(--iga-error);
}

.iga-container .iga-success {
    color: var(--iga-success);
    font-size: 13px;
    margin-top: 4px;
}

/* Print Styles */
@media print {
    body * {
        visibility: hidden;
    }
    
    .iga-container .iga-invoice,
    .iga-container .iga-invoice * {
        visibility: visible;
    }
    
    .iga-container .iga-invoice {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        box-shadow: none;
        border: none;
        padding: 30px 40px;
        max-width: 100%;
        margin: 0;
    }
    
    .iga-container .no-print,
    .iga-container .iga-invoice-actions {
        display: none !important;
    }
    
    .iga-container .iga-section {
        page-break-inside: avoid;
    }
    
    .iga-container .iga-invoice-table {
        page-break-inside: auto;
    }
    
    .iga-container .iga-invoice-table tr {
        page-break-inside: avoid;
        page-break-after: auto;
    }
    
    .iga-container .iga-invoice-table th,
    .iga-container .iga-invoice-table td {
        padding: 8px 6px;
        font-size: 11px;
    }
    
    .iga-container .iga-invoice-header,
    .iga-container .iga-party-details,
    .iga-container .iga-footer-section {
        margin-left: 0;
        margin-right: 0;
    }
    
    @page {
        margin: 1.5cm 2cm;
        size: A4;
    }
}

/* Mobile Responsive */
@media screen and (max-width: 768px) {
    .iga-container {
        padding: 12px;
    }
    
    .iga-container .iga-section {
        padding: 16px;
    }
    
    .iga-container .iga-form-row {
        grid-template-columns: 1fr;
    }
    
    .iga-container .iga-party-details {
        grid-template-columns: 1fr;
    }
    
    .iga-container .iga-footer-section {
        grid-template-columns: 1fr;
    }
    
    .iga-container .iga-invoice-header {
        flex-direction: column;
        gap: 16px;
    }
    
    .iga-container .iga-invoice-meta {
        text-align: left;
    }
    
    .iga-container .iga-tax-summary {
        max-width: 100%;
    }
    
    .iga-container .iga-invoice {
        padding: 20px;
    }
    
    .iga-container .iga-table,
    .iga-container .iga-invoice-table {
        font-size: 11px;
    }
    
    .iga-container .iga-table th,
    .iga-container .iga-table td,
    .iga-container .iga-invoice-table th,
    .iga-container .iga-invoice-table td {
        padding: 6px 4px;
    }
    
    .iga-container .iga-invoice-actions {
        flex-direction: column;
    }
    
    .iga-container .iga-button {
        width: 100%;
    }
    
    .iga-container .iga-signature {
        text-align: left;
    }
    
    .iga-container .iga-signature-line {
        margin-left: 0;
    }
}

/* Tablet Responsive */
@media screen and (min-width: 769px) and (max-width: 1024px) {
    .iga-container {
        padding: 16px;
    }
    
    .iga-container .iga-form-row {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}