:root {
    --bg: #0f1419;
    --surface: #1a2332;
    --surface-2: #243044;
    --border: #2d3f56;
    --text: #e8eef5;
    --muted: #8fa3bc;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --success: #22c55e;
    --error: #ef4444;
    --radius: 12px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.5;
}

.page {
    max-width: 960px;
    margin: 0 auto;
    padding: 2.5rem 1.25rem 4rem;
}

header { margin-bottom: 2rem; }

header h1 {
    font-size: 1.75rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

header p {
    color: var(--muted);
    margin-top: 0.35rem;
    font-size: 0.95rem;
}

.alert {
    padding: 0.875rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1.25rem;
    font-size: 0.9rem;
}

.alert-error {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.35);
    color: #fca5a5;
}

.alert-success {
    background: rgba(34, 197, 94, 0.12);
    border: 1px solid rgba(34, 197, 94, 0.35);
    color: #86efac;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.card + .card { margin-top: 1.25rem; }

.card h2,
.section-gap {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
    margin-bottom: 1rem;
}

.section-gap { margin-top: 1.5rem; }

.hint {
    color: var(--muted);
    font-size: 0.875rem;
    margin: -0.5rem 0 1rem;
}

.grid {
    display: grid;
    gap: 1rem;
}

.grid-2 {
    grid-template-columns: 1fr 1fr;
}

@media (max-width: 560px) {
    .grid-2 { grid-template-columns: 1fr; }
}

label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 0.35rem;
    color: var(--muted);
}

label .req { color: var(--accent); }

input {
    width: 100%;
    padding: 0.65rem 0.75rem;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 0.95rem;
    transition: border-color 0.15s;
}

input:focus {
    outline: none;
    border-color: var(--accent);
}

.actions {
    margin-top: 1.25rem;
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.actions-inline { margin-top: 0.75rem; }

button[type="submit"] {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 0.7rem 1.4rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
}

button[type="submit"]:hover { background: var(--accent-hover); }

.btn-secondary {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--border);
    padding: 0.55rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
}

.btn-secondary:hover {
    border-color: var(--accent);
    background: rgba(59, 130, 246, 0.08);
}

.btn-icon {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--surface-2);
    color: var(--muted);
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
}

.btn-icon:hover {
    color: var(--error);
    border-color: rgba(239, 68, 68, 0.5);
}

.result-meta {
    display: grid;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.result-meta dt {
    color: var(--muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.result-meta dd { font-weight: 500; }

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

th, td {
    text-align: left;
    padding: 0.6rem 0.5rem;
    border-bottom: 1px solid var(--border);
}

th {
    color: var(--muted);
    font-weight: 500;
    font-size: 0.75rem;
    text-transform: uppercase;
}

tr:last-child td { border-bottom: none; }

.empty { color: var(--muted); font-size: 0.9rem; }

.line-items {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.line-item-row {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.85rem;
}

.line-item-grid {
    display: grid;
    gap: 0.75rem;
    grid-template-columns: 2fr 2fr 0.7fr 0.9fr auto;
    align-items: end;
}

@media (max-width: 800px) {
    .line-item-grid {
        grid-template-columns: 1fr 1fr;
    }

    .field-actions {
        grid-column: 1 / -1;
        justify-self: end;
    }
}

.product-suggestions {
    display: block;
    font-size: 0.75rem;
    margin-top: 0.25rem;
    min-height: 1rem;
    color: var(--muted);
}

.product-suggestions.matched { color: #86efac; }
.product-suggestions.new { color: #fcd34d; }

.field-actions label { visibility: hidden; }

.embed-chatwoot {
    min-height: 320px;
}

.embed-chatwoot .page {
    max-width: 100%;
    padding: 1rem 0.75rem 2rem;
    min-height: 280px;
}

#chatwoot-status:not([hidden]) {
    margin-bottom: 0.75rem;
}

.embed-chatwoot header h1 {
    font-size: 1.25rem;
}

.embed-chatwoot #client-section-heading,
.embed-chatwoot #client-section-manual {
    display: none;
}

.embed-chatwoot .chatwoot-home {
    padding: 1rem;
}

.embed-chatwoot .chatwoot-invoices-list {
    margin-bottom: 1rem;
}

.embed-chatwoot .chatwoot-form-toolbar {
    margin-bottom: 0.75rem;
}

.embed-chatwoot .btn-back {
    font-size: 0.875rem;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 0.7rem 1.4rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
}

.btn-primary:hover:not(:disabled) {
    background: var(--accent-hover);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#chatwoot-form-alert {
    margin-bottom: 1rem;
}

.chatwoot-status {
    font-size: 0.875rem;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    margin-bottom: 0.75rem;
}

.chatwoot-status--loading {
    background: rgba(59, 130, 246, 0.12);
    color: #93c5fd;
}

.chatwoot-status--success {
    background: rgba(34, 197, 94, 0.12);
    color: #86efac;
}

.chatwoot-status--error {
    background: rgba(239, 68, 68, 0.12);
    color: #fca5a5;
}

.contact-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem 1rem;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.contact-card dt {
    color: var(--muted);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.contact-card dd {
    font-weight: 500;
}

.chatwoot-invoice-preview {
    margin-top: 0.5rem;
}

.chatwoot-invoice-preview table {
    font-size: 0.8rem;
}

button[type="submit"]:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.invoice-table .invoice-row {
    cursor: pointer;
    transition: background 0.12s;
}

.invoice-table .invoice-row:hover,
.invoice-table .invoice-row:focus {
    background: rgba(59, 130, 246, 0.12);
    outline: none;
}

.invoice-table .invoice-row__number {
    color: var(--accent);
    font-weight: 500;
}

.invoice-table-hint {
    margin-top: 0.5rem;
    margin-bottom: 0;
}

.link-btn {
    background: none;
    border: none;
    color: var(--accent);
    font-size: inherit;
    cursor: pointer;
    padding: 0;
    text-decoration: underline;
}

.link-btn:hover {
    color: var(--accent-hover);
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal[hidden] {
    display: none;
}

body.modal-open {
    overflow: hidden;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
}

.modal-panel {
    position: relative;
    z-index: 1;
    width: min(560px, 100%);
    max-height: min(90vh, 720px);
    overflow: auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}

.modal-close {
    position: absolute;
    top: 0.65rem;
    right: 0.65rem;
    width: 2rem;
    height: 2rem;
    border: none;
    border-radius: 8px;
    background: var(--surface-2);
    color: var(--muted);
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
}

.modal-close:hover {
    color: var(--text);
}

.modal-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    padding-right: 2rem;
}

.modal-header h3 {
    font-size: 1.15rem;
    font-weight: 600;
}

.status-badge {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    background: rgba(59, 130, 246, 0.2);
    color: #93c5fd;
}

.detail-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.detail-meta dt {
    color: var(--muted);
    font-size: 0.7rem;
    text-transform: uppercase;
}

.detail-meta dd {
    font-weight: 500;
}

.modal-subtitle {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
    margin-bottom: 0.5rem;
}

.detail-items {
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
}

.modal-notes {
    font-size: 0.85rem;
    color: var(--muted);
    margin-top: 0.5rem;
}

.load-invoices-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
}

.load-invoices-status {
    font-size: 0.85rem;
    margin: 0;
}

.load-invoices-status--loading { color: #93c5fd; }
.load-invoices-status--success { color: #86efac; }
.load-invoices-status--error { color: #fca5a5; }

.field-hint {
    margin-top: 0.35rem;
    margin-bottom: 0;
}