:root {
    --bg: #fff7f1;
    --card: #ffffff;
    --ink: #2a2632;
    --muted: #6b6577;
    --accent: #ec6f8a;
    --accent-dark: #c95576;
    --good: #2f9e6b;
    --danger: #c0392b;
    --border: #efe6df;
    --shadow: 0 2px 12px rgba(40, 30, 50, 0.06);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
}

.page {
    max-width: 640px;
    margin: 0 auto;
    padding: 24px 18px 64px;
}
.page.narrow { max-width: 420px; }

.hero {
    text-align: center;
    margin-bottom: 24px;
}
.hero.compact { margin-bottom: 16px; }
.hero h1 {
    margin: 0 0 14px;
    font-size: 1.75rem;
    letter-spacing: -0.01em;
}
.hero .tagline {
    margin: 0;
    color: var(--muted);
}
.hero-photo {
    display: block;
    width: 100%;
    max-width: 520px;
    aspect-ratio: 4 / 3;
    margin: 0 auto;
    object-fit: cover;
    border-radius: 16px;
    border: 6px solid var(--card);
    box-shadow: 0 6px 20px rgba(40, 30, 50, 0.12);
    background: #f3ebe5;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px;
    box-shadow: var(--shadow);
    margin-bottom: 16px;
}
.card h2 {
    margin: 0 0 12px;
    font-size: 1.05rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}
.card-header h2 { margin: 0; }
.outstanding { color: var(--muted); }
.outstanding strong { color: var(--ink); font-size: 1.1rem; }

.summary .summary-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 6px 0;
}
.summary .summary-row.big {
    font-size: 1.5rem;
    border-top: 1px dashed var(--border);
    margin-top: 6px;
    padding-top: 12px;
}
.summary .label { color: var(--muted); }
.summary .value { font-weight: 600; }

.pay { text-align: center; }
.pay .qr {
    width: 220px;
    max-width: 80%;
    height: auto;
    margin: 4px auto 8px;
    display: block;
    border-radius: 10px;
    background: #fff;
    padding: 8px;
    border: 1px solid var(--border);
}
.pay .hint { color: var(--muted); font-size: 0.92rem; margin: 4px 0 0; }
.venmo-handle {
    display: inline-block;
    margin: 6px 0 4px;
    color: #3D95CE;
    font-weight: 600;
    font-size: 1.05rem;
    text-decoration: none;
}
.venmo-handle:hover { text-decoration: underline; }

.invoices h2 {
    font-size: 0.85rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin: 18px 4px 8px;
}
.invoice-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.invoice {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px;
    box-shadow: var(--shadow);
}
.invoice-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}
.invoice.paid { opacity: 0.7; }
.invoice-title { font-weight: 600; }
.invoice-meta { color: var(--muted); font-size: 0.9rem; margin-top: 2px; }
.invoice-meta .notes { color: var(--muted); }
.invoice-side { text-align: right; }
.invoice-total { font-weight: 600; font-size: 1.1rem; margin-bottom: 6px; }
.invoice-list.muted .invoice { background: #fbf6f2; }

.empty {
    color: var(--muted);
    background: var(--card);
    border: 1px dashed var(--border);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
}

.btn {
    background: #f1eae3;
    color: var(--ink);
    border: 1px solid transparent;
    padding: 9px 14px;
    border-radius: 9px;
    font-size: 0.95rem;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.15s, transform 0.05s;
}
.btn:hover { background: #e7ddd3; }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-dark); }
.btn.small { padding: 6px 10px; font-size: 0.85rem; }
.btn.danger { background: transparent; color: var(--danger); }
.btn.danger:hover { background: #fbecea; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background: #f1eae3;
    color: var(--muted);
}
.badge.paid { background: #e5f4ec; color: var(--good); }
.badge.unpaid { background: #fdecef; color: var(--accent-dark); }
.badge.email-sent     { background: #e5f4ec; color: var(--good); }
.badge.email-failed   { background: #fdecef; color: var(--danger); }
.badge.email-not_sent { background: #f1eae3; color: var(--muted); }
.email-attempts { font-size: 0.7rem; color: var(--muted); margin-top: 2px; }
.email-error {
    font-size: 0.78rem;
    color: var(--danger);
    margin-top: 4px;
    max-width: 220px;
    word-break: break-word;
    cursor: help;
}

.form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.form.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.form label {
    display: flex;
    flex-direction: column;
    font-size: 0.85rem;
    color: var(--muted);
    gap: 4px;
}
.form input {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 9px 11px;
    font-size: 1rem;
    background: #fff;
    color: var(--ink);
}
.form input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.form .span-2 { grid-column: 1 / -1; }
.form .actions { display: flex; align-items: center; gap: 12px; }
.form .status { color: var(--muted); font-size: 0.9rem; }
.form .status.ok { color: var(--good); }
.form .status.err { color: var(--danger); }
.form .error { color: var(--danger); margin: 0; }

.invoices-table {
    width: 100%;
    border-collapse: collapse;
}
.invoices-table th,
.invoices-table td {
    padding: 10px 8px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}
.invoices-table th {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
}
.invoices-table .notes { font-size: 0.82rem; color: var(--muted); }
.invoices-table .empty { border: none; }
.row-actions { display: flex; gap: 6px; justify-content: flex-end; }

.footer {
    margin-top: 24px;
    text-align: center;
    color: var(--muted);
    font-size: 0.9rem;
    display: flex;
    gap: 14px;
    justify-content: center;
}
.footer a { color: var(--muted); text-decoration: none; border-bottom: 1px dotted var(--muted); }
.footer a:hover { color: var(--ink); }

.entries-toggle {
    margin-top: 10px;
    border-top: 1px dashed var(--border);
    padding-top: 8px;
}
.entries-toggle > summary {
    cursor: pointer;
    color: var(--muted);
    font-size: 0.88rem;
    padding: 4px 0;
    list-style: none;
    user-select: none;
}
.entries-toggle > summary::-webkit-details-marker { display: none; }
.entries-toggle > summary::before {
    content: '▸';
    display: inline-block;
    margin-right: 6px;
    transition: transform 0.15s;
}
.entries-toggle[open] > summary::before { transform: rotate(90deg); }

.entries-subtable {
    width: 100%;
    border-collapse: collapse;
    margin-top: 6px;
    font-size: 0.9rem;
}
.entries-subtable th,
.entries-subtable td {
    text-align: left;
    padding: 6px 8px;
    border-bottom: 1px solid var(--border);
}
.entries-subtable th {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
}
.entries-subtable tr:last-child td { border-bottom: none; }

.entries-table input[type="date"],
.entries-table input[type="number"],
.entries-table input[type="text"] {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px 8px;
    font-size: 0.92rem;
    background: #fff;
}
.entries-table td { vertical-align: middle; }

.generate-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 14px;
}

.entries-detail > td {
    background: #fbf6f2;
    padding: 8px 12px;
}

.link-btn {
    background: none;
    border: none;
    padding: 0;
    color: var(--ink);
    cursor: pointer;
    font: inherit;
    text-align: left;
}
.link-btn:hover { color: var(--accent-dark); }
.link-btn .caret {
    display: inline-block;
    margin-right: 4px;
    color: var(--muted);
    transition: transform 0.15s;
}
.link-btn[aria-expanded="true"] .caret { transform: rotate(90deg); }

@media (max-width: 480px) {
    .form.grid { grid-template-columns: 1fr; }
    .form .span-2 { grid-column: auto; }
    .invoices-table th:nth-child(3),
    .invoices-table td:nth-child(3) { display: none; }
}