:root {
    --bg: #f7f8fa;
    --card: #ffffff;
    --ink: #1f2933;
    --muted: #6b7280;
    --line: #e5e7eb;
    --accent: #2563eb;
    --danger: #dc2626;
    --danger-bg: #fef2f2;
    --ok: #059669;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.5;
}

a { color: var(--accent); }

.container { max-width: 900px; margin: 0 auto; padding: 1.5rem 1rem 4rem; }

header.appbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem 1rem;
    background: var(--card);
    border-bottom: 1px solid var(--line);
    flex-wrap: wrap;
}
header.appbar .brand { font-weight: 700; }
header.appbar .spacer { flex: 1; }
header.appbar form { margin: 0; }

.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 1rem 1.25rem;
    margin-bottom: 1.25rem;
}
.card h2 { margin: 0 0 0.75rem; font-size: 1.1rem; }

.group-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.item-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--line);
    flex-wrap: wrap;
}
.item-row:last-child { border-bottom: none; }
.item-row .name { font-weight: 600; }
.item-row .schedule { color: var(--muted); font-size: 0.9rem; }
.item-row .amount { font-variant-numeric: tabular-nums; }
.item-row .amount.income { color: var(--ok); }
.item-row .amount.expense { color: var(--danger); }
.item-row .amount.variable { color: var(--muted); font-style: italic; }
.item-row .grow { flex: 1; }
.item-row .actions { display: flex; gap: 0.5rem; }

.item-row.editing { flex-direction: column; align-items: stretch; gap: 0.5rem; }
.field-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.5rem;
}
label { font-size: 0.8rem; color: var(--muted); display: block; }
input, select, textarea {
    width: 100%;
    padding: 0.4rem 0.5rem;
    border: 1px solid var(--line);
    border-radius: 6px;
    font: inherit;
}
textarea {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.85rem;
    resize: vertical;
}

button, .btn {
    font: inherit;
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--card);
    color: var(--ink);
    cursor: pointer;
}
a.btn { display: inline-block; text-decoration: none; }
button.primary, .btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
button.danger { color: var(--danger); border-color: #f3c9c9; }

.errors {
    background: var(--danger-bg);
    border: 1px solid #f3c9c9;
    color: var(--danger);
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}
.errors ul { margin: 0.25rem 0 0; padding-left: 1.1rem; }

.notice {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    color: #1e40af;
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

table.events { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
table.events th, table.events td { text-align: left; padding: 0.35rem 0.5rem; border-bottom: 1px solid var(--line); }
table.events td.num { text-align: right; }
table.events tr.negative td { background: var(--danger-bg); color: var(--danger); }

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0.5rem 1rem;
    margin: 0.75rem 0;
}
.summary-grid .k { color: var(--muted); font-size: 0.8rem; }
.summary-grid .v { font-weight: 600; font-variant-numeric: tabular-nums; }

.warnings {
    background: var(--danger-bg);
    border: 1px solid #f3c9c9;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    margin-top: 1rem;
}
.warnings h3 { margin: 0 0 0.5rem; color: var(--danger); }

.auth-wrap { max-width: 380px; margin: 3rem auto; }
.stack > * + * { margin-top: 0.75rem; }
.links-block { margin: 0.5rem 0 1rem; }
.links-block a { display: inline-block; margin-right: 0.75rem; }
.muted { color: var(--muted); }
.row-inline { display: flex; gap: 0.75rem; align-items: end; flex-wrap: wrap; }