/**
 * EnergyNews Invoicing - Frontend Styles
 * 
 * Design System: Shadcn/Tailwind inspired
 * Compatible with Elementor Pro
 *
 * @package EnergyNews\Invoicing
 */

/* ==========================================================================
   CSS Variables
   ========================================================================== */
:root {
    --eni-primary: #18181b;
    --eni-primary-hover: #3b82f6;
    --eni-success: #16a34a;
    --eni-warning: #f59e0b;
    --eni-danger: #dc2626;
    --eni-border: #e4e4e7;
    --eni-bg-subtle: #f4f4f5;
    --eni-text: #18181b;
    --eni-text-muted: #71717a;
    --eni-radius: 6px;
    --eni-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* ==========================================================================
   VAT Field at Checkout
   ========================================================================== */
.eni-vat-field {
    position: relative;
}

.eni-vat-field input {
    padding-right: 100px !important;
}

.eni-vat-status {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    padding: 4px 8px;
    border-radius: var(--eni-radius);
    font-weight: 500;
}

.eni-vat-status.validating {
    background: var(--eni-bg-subtle);
    color: var(--eni-text-muted);
}

.eni-vat-status.valid {
    background: #dcfce7;
    color: var(--eni-success);
}

.eni-vat-status.invalid {
    background: #fee2e2;
    color: var(--eni-danger);
}

.eni-vat-status.error {
    background: #fef3c7;
    color: var(--eni-warning);
}

/* VAT Validation Message */
.eni-vat-message {
    margin-top: 8px;
    padding: 10px 12px;
    border-radius: var(--eni-radius);
    font-size: 13px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.eni-vat-message.success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #86efac;
}

.eni-vat-message.warning {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fcd34d;
}

.eni-vat-message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.eni-vat-message .eni-company-info {
    margin-top: 5px;
    font-size: 12px;
    color: inherit;
    opacity: 0.8;
}

/* ==========================================================================
   Invoice Email Field
   ========================================================================== */
.eni-invoice-email-field {
    margin-top: 10px;
}

.eni-invoice-email-field label {
    display: flex;
    align-items: center;
    gap: 5px;
}

.eni-invoice-email-field .optional {
    font-size: 11px;
    color: var(--eni-text-muted);
    font-weight: normal;
}

/* ==========================================================================
   Tax Exempt Notice at Checkout
   ========================================================================== */
.eni-tax-exempt-notice {
    background: #dcfce7;
    border: 1px solid #86efac;
    border-radius: var(--eni-radius);
    padding: 15px;
    margin: 15px 0;
}

.eni-tax-exempt-notice strong {
    display: block;
    color: #166534;
    margin-bottom: 5px;
}

.eni-tax-exempt-notice p {
    color: #166534;
    margin: 0;
    font-size: 13px;
}

/* ==========================================================================
   My Account Invoices Page
   ========================================================================== */

/* Already styled inline in template, these are overrides/enhancements */

.woocommerce-account .eni-invoices-container {
    max-width: 100%;
}

.woocommerce-account .eni-invoices-filter {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--eni-border);
}

.woocommerce-account .eni-invoices-table {
    width: 100%;
    border: 1px solid var(--eni-border);
    border-radius: var(--eni-radius);
    overflow: hidden;
}

.woocommerce-account .eni-invoices-table th {
    background: var(--eni-bg-subtle);
    padding: 12px 16px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--eni-text-muted);
    border-bottom: 1px solid var(--eni-border);
}

.woocommerce-account .eni-invoices-table td {
    padding: 16px;
    border-bottom: 1px solid #f4f4f5;
    vertical-align: middle;
}

.woocommerce-account .eni-invoices-table tbody tr:last-child td {
    border-bottom: none;
}

.woocommerce-account .eni-invoices-table tbody tr:hover {
    background: #fafafa;
}

.woocommerce-account .eni-invoice-number {
    font-weight: 600;
    color: var(--eni-text);
    font-family: ui-monospace, monospace;
}

.woocommerce-account .eni-download-btn {
    display: inline-flex !important;
    align-items: center;
    gap: 6px;
    padding: 10px 18px !important;
    background: var(--eni-primary) !important;
    color: #fff !important;
    border: none !important;
    border-radius: var(--eni-radius) !important;
    font-size: 13px !important;
    font-weight: 500 !important;
    text-decoration: none !important;
    transition: background 0.2s ease !important;
}

.woocommerce-account .eni-download-btn:hover {
    background: var(--eni-primary-hover) !important;
    color: #fff !important;
}

.woocommerce-account .eni-download-btn svg {
    flex-shrink: 0;
}

.woocommerce-account .eni-tax-exempt-badge {
    display: inline-block;
    margin-left: 8px;
    padding: 3px 8px;
    background: #fef3c7;
    color: #92400e;
    font-size: 10px;
    font-weight: 600;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* Empty State */
.woocommerce-account .eni-no-invoices {
    text-align: center;
    padding: 50px 30px;
    background: var(--eni-bg-subtle);
    border-radius: var(--eni-radius);
    border: 2px dashed var(--eni-border);
}

.woocommerce-account .eni-no-invoices h3 {
    margin: 0 0 10px;
    color: var(--eni-text);
    font-size: 18px;
}

.woocommerce-account .eni-no-invoices p {
    margin: 0;
    color: var(--eni-text-muted);
}

/* Pagination */
.woocommerce-account .eni-pagination {
    margin-top: 25px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.woocommerce-account .eni-pagination .button {
    padding: 10px 18px;
}

.woocommerce-account .eni-page-info {
    color: var(--eni-text-muted);
    font-size: 14px;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 768px) {
    .woocommerce-account .eni-invoices-table thead {
        display: none;
    }
    
    .woocommerce-account .eni-invoices-table,
    .woocommerce-account .eni-invoices-table tbody,
    .woocommerce-account .eni-invoices-table tr {
        display: block;
    }
    
    .woocommerce-account .eni-invoices-table tr {
        margin-bottom: 15px;
        border: 1px solid var(--eni-border);
        border-radius: var(--eni-radius);
        padding: 15px;
        background: #fff;
    }
    
    .woocommerce-account .eni-invoices-table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 10px 0;
        border-bottom: 1px solid #f4f4f5;
    }
    
    .woocommerce-account .eni-invoices-table td:last-child {
        border-bottom: none;
        padding-top: 15px;
        justify-content: center;
    }
    
    .woocommerce-account .eni-invoices-table td::before {
        content: attr(data-title);
        font-weight: 600;
        color: var(--eni-text-muted);
        font-size: 11px;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }
    
    .woocommerce-account .eni-download-btn {
        width: 100%;
        justify-content: center;
    }
    
    .eni-vat-field input {
        padding-right: 15px !important;
    }
    
    .eni-vat-status {
        position: static;
        transform: none;
        display: block;
        margin-top: 8px;
        text-align: center;
    }
}

/* ==========================================================================
   Dark Mode Support
   ========================================================================== */
@media (prefers-color-scheme: dark) {
    :root {
        --eni-primary: #fff;
        --eni-border: #3f3f46;
        --eni-bg-subtle: #27272a;
        --eni-text: #fafafa;
        --eni-text-muted: #a1a1aa;
    }
    
    .woocommerce-account .eni-invoices-table {
        background: #18181b;
    }
    
    .woocommerce-account .eni-invoices-table tbody tr:hover {
        background: #27272a;
    }
    
    .woocommerce-account .eni-download-btn {
        background: #3b82f6 !important;
    }
    
    .woocommerce-account .eni-download-btn:hover {
        background: #2563eb !important;
    }
}

/* ==========================================================================
   Elementor Compatibility
   ========================================================================== */
.elementor-widget-woocommerce-my-account .eni-invoices-container {
    width: 100%;
}

.elementor-widget-woocommerce-my-account .eni-invoices-table {
    margin: 0;
}

/* Fix for Elementor's form styles */
.elementor-widget-woocommerce-checkout .eni-vat-field input,
.elementor-widget-woocommerce-checkout .eni-invoice-email-field input {
    width: 100%;
}