/* Billing Styles - Invoices, Payments & Quotes */

/* Container */
.billing-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--bg-primary, #0a0a0a);
    color: var(--text, #f8fafc);
}

/* Header */
.billing-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border, #2a2a2a);
    flex-shrink: 0;
}

.billing-header-left {
    display: flex;
    align-items: center;
    gap: 24px;
}

.billing-header h1 {
    font-size: 20px;
    font-weight: 600;
    margin: 0;
}

.billing-tabs {
    display: flex;
    gap: 4px;
}

.billing-tab {
    padding: 8px 16px;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--text-secondary, #888);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.billing-tab:hover {
    background: var(--surface-hover, rgba(255, 255, 255, 0.05));
    color: var(--text, #f8fafc);
}

.billing-tab.active {
    background: var(--accent, #d4f505);
    color: #000;
}

.billing-header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Search */
.billing-search {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--surface, rgba(255, 255, 255, 0.05));
    border: 1px solid var(--border, #2a2a2a);
    border-radius: 8px;
    min-width: 280px;
}

.billing-search svg {
    color: var(--text-secondary, #888);
    flex-shrink: 0;
}

.billing-search input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text, #f8fafc);
    font-size: 13px;
    outline: none;
}

.billing-search input::placeholder {
    color: var(--text-secondary, #888);
}

.billing-search-results {
    position: absolute;
    top: 70px;
    right: 150px;
    width: 350px;
    max-height: 400px;
    background: var(--surface, #1a1a1a);
    border: 1px solid var(--border, #2a2a2a);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    overflow-y: auto;
    z-index: 100;
    display: none;
}

.billing-search-results:not(:empty) {
    display: block;
}

/* Summary Cards */
.billing-summary {
    display: flex;
    gap: 16px;
    padding: 24px;
    border-bottom: 1px solid var(--border, #2a2a2a);
}

.billing-summary .summary-card {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--surface, rgba(255, 255, 255, 0.02));
    border: 1px solid var(--border, #2a2a2a);
    border-radius: 12px;
}

.summary-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    flex-shrink: 0;
}

.summary-icon.pending {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}

.summary-icon.overdue {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.summary-icon.paid {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.summary-icon.total {
    background: rgba(212, 245, 5, 0.15);
    color: var(--accent, #d4f505);
}

.summary-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.summary-label {
    font-size: 12px;
    color: var(--text-secondary, #888);
}

.summary-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text, #f8fafc);
}

.summary-value.paid {
    color: var(--success, #22c55e);
}

.summary-value.overdue {
    color: var(--error, #ef4444);
}

/* Views */
.billing-view {
    display: none;
    flex: 1;
    flex-direction: column;
    overflow: auto;
}

.billing-view.active {
    display: flex;
}

/* List Header */
.billing-list-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border, #2a2a2a);
}

.list-filters {
    display: flex;
    gap: 12px;
}

.list-filters select {
    padding: 8px 12px;
    background: var(--surface, rgba(255, 255, 255, 0.05));
    border: 1px solid var(--border, #2a2a2a);
    border-radius: 6px;
    color: var(--text, #f8fafc);
    font-size: 13px;
    cursor: pointer;
}

.list-filters select option {
    background: var(--bg-primary, #0a0a0a);
}

.list-actions {
    display: flex;
    gap: 8px;
}

/* Table Styles */
.billing-table {
    width: 100%;
    border-collapse: collapse;
}

.billing-table th,
.billing-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border, #2a2a2a);
}

.billing-table th {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary, #888);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--surface, rgba(255, 255, 255, 0.02));
    position: sticky;
    top: 0;
}

.billing-table td {
    font-size: 13px;
    color: var(--text, #f8fafc);
}

.billing-table tbody tr {
    transition: background 0.15s ease;
}

.billing-table tbody tr:hover {
    background: var(--surface-hover, rgba(255, 255, 255, 0.05));
}

/* Invoice Number Link */
.invoice-number {
    color: var(--accent, #d4f505);
    font-weight: 600;
    text-decoration: none;
}

.invoice-number:hover {
    text-decoration: underline;
}

/* Amount styling */
.amount {
    font-weight: 600;
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
}

.amount.large {
    font-size: 14px;
}

/* Status badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.status-badge.draft {
    background: rgba(148, 163, 184, 0.15);
    color: #94a3b8;
}

.status-badge.sent {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}

.status-badge.paid {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.status-badge.overdue {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.status-badge.cancelled {
    background: rgba(107, 114, 128, 0.15);
    color: #6b7280;
}

.status-badge.accepted {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.status-badge.rejected {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.status-badge.expired {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

/* Action buttons */
.action-btn {
    padding: 6px 12px;
    background: transparent;
    border: 1px solid var(--border, #2a2a2a);
    border-radius: 4px;
    color: var(--text-secondary, #888);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.action-btn:hover {
    border-color: var(--accent, #d4f505);
    color: var(--accent, #d4f505);
}

.btn-primary {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--accent, #d4f505);
    color: #000;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn-primary:hover {
    background: var(--accent-hover, #c4e505);
    transform: translateY(-1px);
}

/* Table row actions */
.row-actions {
    display: flex;
    gap: 8px;
}

.row-actions .action-btn {
    padding: 4px 8px;
}

.row-actions .action-btn.danger:hover {
    border-color: var(--error, #ef4444);
    color: var(--error, #ef4444);
}

/* Due date styling */
.due-date.overdue {
    color: var(--error, #ef4444);
    font-weight: 500;
}

.due-date.soon {
    color: var(--warning, #f59e0b);
}

/* Modal */
.billing-modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
}

.billing-modal.open {
    opacity: 1;
    visibility: visible;
}

.billing-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.billing-modal-content {
    position: relative;
    width: 100%;
    max-width: 700px;
    max-height: 90vh;
    background: var(--bg-primary, #0a0a0a);
    border: 1px solid var(--border, #2a2a2a);
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    overflow-y: auto;
    transform: translateY(20px);
    transition: transform 0.2s ease;
}

.billing-modal.open .billing-modal-content {
    transform: translateY(0);
}

/* Invoice Form Styles */
.invoice-form {
    padding: 24px;
}

.invoice-form-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border, #2a2a2a);
}

.invoice-form-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.form-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--text-secondary, #888);
    cursor: pointer;
    transition: all 0.15s ease;
}

.form-close:hover {
    background: var(--surface-hover, rgba(255, 255, 255, 0.1));
    color: var(--text, #f8fafc);
}

.form-section {
    margin-bottom: 24px;
}

.form-section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text, #f8fafc);
    margin-bottom: 12px;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary, #888);
}

.form-input,
.form-select,
.form-textarea {
    padding: 10px 12px;
    background: var(--surface, rgba(255, 255, 255, 0.05));
    border: 1px solid var(--border, #2a2a2a);
    border-radius: 6px;
    color: var(--text, #f8fafc);
    font-size: 14px;
    transition: border-color 0.15s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent, #d4f505);
}

.form-select option {
    background: var(--bg-primary, #0a0a0a);
}

/* Line Items */
.line-items {
    margin-top: 24px;
}

.line-items-header {
    display: grid;
    grid-template-columns: 3fr 1fr 1fr 1fr 40px;
    gap: 12px;
    padding: 8px 12px;
    background: var(--surface, rgba(255, 255, 255, 0.02));
    border-radius: 6px 6px 0 0;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary, #888);
    text-transform: uppercase;
}

.line-item {
    display: grid;
    grid-template-columns: 3fr 1fr 1fr 1fr 40px;
    gap: 12px;
    padding: 12px;
    border: 1px solid var(--border, #2a2a2a);
    border-top: none;
    align-items: center;
}

.line-item:last-child {
    border-radius: 0 0 6px 6px;
}

.line-item input {
    padding: 8px;
    background: var(--surface, rgba(255, 255, 255, 0.05));
    border: 1px solid var(--border, #2a2a2a);
    border-radius: 4px;
    color: var(--text, #f8fafc);
    font-size: 13px;
}

.line-item input:focus {
    outline: none;
    border-color: var(--accent, #d4f505);
}

.line-item-total {
    font-weight: 600;
    color: var(--text, #f8fafc);
}

.line-item-remove {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 4px;
    color: var(--text-secondary, #888);
    cursor: pointer;
    transition: all 0.15s ease;
}

.line-item-remove:hover {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error, #ef4444);
}

.add-line-item {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 12px;
    padding: 8px 12px;
    background: transparent;
    border: 1px dashed var(--border, #2a2a2a);
    border-radius: 6px;
    color: var(--text-secondary, #888);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.add-line-item:hover {
    border-color: var(--accent, #d4f505);
    color: var(--accent, #d4f505);
}

/* Invoice Totals */
.invoice-totals {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--border, #2a2a2a);
}

.invoice-total-row {
    display: flex;
    gap: 24px;
    font-size: 14px;
}

.invoice-total-row .label {
    color: var(--text-secondary, #888);
    min-width: 120px;
    text-align: right;
}

.invoice-total-row .value {
    min-width: 100px;
    text-align: right;
    font-weight: 500;
}

.invoice-total-row.grand-total {
    margin-top: 8px;
    padding-top: 12px;
    border-top: 1px solid var(--border, #2a2a2a);
    font-size: 16px;
    font-weight: 700;
}

.invoice-total-row.grand-total .value {
    color: var(--accent, #d4f505);
}

/* Form Actions */
.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--border, #2a2a2a);
}

.form-btn {
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.form-btn.secondary {
    background: transparent;
    border: 1px solid var(--border, #2a2a2a);
    color: var(--text, #f8fafc);
}

.form-btn.secondary:hover {
    background: var(--surface-hover, rgba(255, 255, 255, 0.05));
}

.form-btn.primary {
    background: var(--accent, #d4f505);
    border: 1px solid var(--accent, #d4f505);
    color: #000;
}

.form-btn.primary:hover {
    background: var(--accent-hover, #c4e505);
}

/* Responsive */
@media (max-width: 1200px) {
    .billing-summary {
        flex-wrap: wrap;
    }

    .billing-summary .summary-card {
        flex: 1 1 calc(50% - 8px);
        min-width: 200px;
    }
}

@media (max-width: 768px) {
    .billing-header {
        flex-direction: column;
        gap: 16px;
        align-items: stretch;
    }

    .billing-header-left {
        flex-direction: column;
        align-items: stretch;
    }

    .billing-tabs {
        overflow-x: auto;
    }

    .billing-search {
        min-width: 100%;
    }

    .billing-summary .summary-card {
        flex: 1 1 100%;
    }

    .billing-list-header {
        flex-direction: column;
        gap: 12px;
        align-items: stretch;
    }

    .list-filters {
        flex-wrap: wrap;
    }

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

    .line-items-header,
    .line-item {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .line-items-header {
        display: none;
    }
}