/* Invoicing Styles */
.invoice-builder {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.invoice-form {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow);
    border: 1px solid #e5e7eb;
}

.invoice-form .form-group {
    margin-bottom: var(--spacing-lg);
}

.invoice-form label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--dark);
}

.address-fields {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.address-fields .form-group {
    margin-bottom: 0;
}

.address-fields .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.address-fields .form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
}

.address-fields label {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.invoice-preview {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow);
    border: 1px solid #e5e7eb;
    position: sticky;
    top: 100px;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark);
    font-size: 0.875rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e5e7eb;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    transition: border-color 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
}

.form-text {
    font-size: 0.75rem;
    color: var(--gray);
    margin-top: 0.25rem;
    display: block;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.invoice-preview-doc {
    border: 1px solid #e5e7eb;
    border-radius: var(--border-radius);
    padding: 2rem;
    background: var(--white);
}

.invoice-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--primary);
}

.invoice-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

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

.invoice-number {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.invoice-parties {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.party-section h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.invoice-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2rem;
    table-layout: fixed;
}

.invoice-table th,
.invoice-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
}

.invoice-table th {
    background: var(--light);
    font-weight: 600;
    color: var(--gray-dark);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

/* Column width distribution: Description on left (70%), Type and Amount bunched on right (15% each) */
.invoice-table th:nth-child(1),
.invoice-table td:nth-child(1) {
    width: 70%;
    padding-right: 2rem;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: break-word;
    white-space: normal;
    overflow: hidden;
    max-width: 70%;
}

.invoice-table th:nth-child(2),
.invoice-table td:nth-child(2) {
    width: 15%;
    min-width: 15%;
    max-width: 15%;
    text-align: center;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
    white-space: nowrap;
    overflow: hidden;
}

.invoice-table th:nth-child(3),
.invoice-table td:nth-child(3) {
    width: 15%;
    min-width: 15%;
    max-width: 15%;
    text-align: right;
    padding-left: 0.5rem;
    padding-right: 0;
    white-space: nowrap;
    overflow: hidden;
}

.invoice-table .amount {
    text-align: right;
    font-weight: 500;
}

/* Invoice Preview Table in Builder - Better column spacing */
.invoice-items table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
    margin-bottom: 1rem;
}

.invoice-items table th,
.invoice-items table td {
    padding: 12px 16px;
    border-bottom: 1px solid #e5e7eb;
    vertical-align: top;
}

.invoice-items table th {
    background: #f9fafb;
    font-weight: 600;
    color: #374151;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    padding: 12px 16px;
}

/* Column width distribution: Description on left (70%), Type and Amount bunched on right (15% each) */
.invoice-items table th:nth-child(1),
.invoice-items table td:nth-child(1) {
    width: 70%;
    padding-right: 2rem;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: break-word;
    white-space: normal;
    overflow: hidden;
    max-width: 70%;
}

.invoice-items table th:nth-child(2),
.invoice-items table td:nth-child(2) {
    width: 15%;
    min-width: 15%;
    max-width: 15%;
    text-align: center;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
    white-space: nowrap;
    overflow: hidden;
}

.invoice-items table th:nth-child(3),
.invoice-items table td:nth-child(3) {
    width: 15%;
    min-width: 15%;
    max-width: 15%;
    text-align: right;
    padding-left: 0.5rem;
    padding-right: 0;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
}

.invoice-totals {
    margin: 30px 0;
    padding: 20px;
    background: var(--light);
    border-radius: var(--border-radius);
}

.total-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.875rem;
}

.total-row.grand-total {
    font-weight: 700;
    font-size: 1.1em;
    border-top: 2px solid var(--gray);
    padding-top: 12px;
    margin-top: 16px;
}

.invoice-notes {
    margin-top: 30px;
    padding: 20px;
    background: #f8fafc;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--info);
}

/* Modal Styles */
.modal {
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    background-color: var(--white);
    margin: 5% auto;
    border: none;
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 600px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid #e5e7eb;
}

.modal-header h3 {
    margin: 0;
    color: var(--dark);
    font-size: 1.25rem;
}

.modal-body {
    padding: 2rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    padding: 1.5rem 2rem;
    border-top: 1px solid #e5e7eb;
    background: var(--light);
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
}

.close {
    color: var(--gray);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s ease;
}

.close:hover,
.close:focus {
    color: var(--dark);
}

/* Performance Fields */
.performance-fields {
    transition: opacity 0.3s ease, height 0.3s ease;
}

/* Hidden state for performance fields */
.performance-fields.hidden {
    display: none !important;
}



/* Invoice Lines Section */
.invoice-lines-section {
    background: var(--light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin: 1.5rem 0;
    border: 1px solid #e5e7eb;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.section-header h4 {
    margin: 0;
    color: var(--dark);
    font-size: 1rem;
    font-weight: 600;
}

.btn-success {
    background: #22c55e;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-success:hover {
    background: #16a34a;
    transform: translateY(-1px);
}

.btn-delete {
    background: #ef4444;
    color: white;
    border: none;
    padding: 0.5rem 0.75rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-delete:hover {
    background: #dc2626;
    transform: translateY(-1px);
}

.invoice-line {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid #e5e7eb;
}

.invoice-line:last-child {
    margin-bottom: 0;
}

/* Tax Info Panel */
.tax-info-panel {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    margin-top: 2rem;
    border: 1px solid #e5e7eb;
}

.certificate-status {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
}

.certificate-status.protected {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1) 0%, rgba(22, 163, 74, 0.1) 100%);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: var(--success);
}

.tax-calculation {
    background: var(--light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
}

.tax-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.tax-row.total {
    border-top: 2px solid var(--gray);
    padding-top: 0.75rem;
    margin-top: 1rem;
    font-size: 1rem;
}

/* Address Fields Styling */
.address-fields {
    background: #f8fafc;
    border: 1px solid #e5e7eb;
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-top: 0.5rem;
}

.address-fields .form-group {
    margin-bottom: 0.75rem;
}

.address-fields .form-group:last-child {
    margin-bottom: 0;
}

.address-fields .form-row {
    margin-bottom: 0.75rem;
}

.address-fields .form-row:last-child {
    margin-bottom: 0;
}

.address-fields label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--gray-dark);
    margin-bottom: 0.25rem;
}

/* Invoice Builder Styles */
.invoice-builder-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* Hide any redundant delete buttons in the invoice form section */
.invoice-form .delete-item,
.invoice-form .remove-icon,
.invoice-form .btn-delete,
.invoice-form button[onclick*="delete"]:not(.btn-delete-item),
.line-items-section > .delete-button,
.add-item-btn ~ .delete-button,
.add-item-btn ~ button[aria-label*="delete"],
.add-item-btn ~ button[aria-label*="remove"],
.btn-remove-item {
    display: none !important;
}

@media (max-width: 1024px) {
    .invoice-builder {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .invoice-preview {
        position: static;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .invoice-parties {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .modal-content {
        width: 95%;
        margin: 2% auto;
    }

    .modal-body,
    .modal-header,
    .modal-footer {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}