:root {
    --bg: #f6f7f7;
    --card: #ffffff;
    --text: #1c2526;
    --muted: #5f6b6d;
    --line: #e2e6e6;
    --accent: #0f766e;
    --accent-text: #ffffff;
    --in: #15803d;
    --out: #b42318;
    --ok-bg: #e7f5ee;
    --error-bg: #fdecea;
    color-scheme: light;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #111718;
        --card: #1a2223;
        --text: #e6eced;
        --muted: #9aa7a9;
        --line: #2b3536;
        --accent: #2dd4bf;
        --accent-text: #062a27;
        --in: #4ade80;
        --out: #f87171;
        --ok-bg: #16322a;
        --error-bg: #3a1d1b;
        color-scheme: dark;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    padding-bottom: calc(4.5rem + env(safe-area-inset-bottom));
}

main { max-width: 40rem; margin: 0 auto; padding: 0 1rem 1rem; }

h1 { font-size: 1.4rem; margin: 1rem 0 0.75rem; }
h2 { font-size: 1.05rem; margin: 0 0 0.5rem; }
a { color: var(--accent); }
code { font-size: 0.9em; }

.top {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0.75rem 1rem; background: var(--card); border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; text-decoration: none; color: var(--text); }

.tabs {
    position: fixed; bottom: 0; left: 0; right: 0;
    display: flex; background: var(--card); border-top: 1px solid var(--line);
    padding-bottom: env(safe-area-inset-bottom);
}
.tabs a {
    flex: 1; text-align: center; padding: 0.8rem 0.2rem; font-size: 0.78rem;
    color: var(--muted); text-decoration: none;
}
.tabs a.on { color: var(--accent); font-weight: 600; }

.card {
    background: var(--card); border: 1px solid var(--line); border-radius: 12px;
    padding: 1rem; margin: 0 0 1rem;
}
.center { text-align: center; margin-top: 3rem; }

.row {
    display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem;
    padding: 0.55rem 0; border-bottom: 1px solid var(--line); flex-wrap: wrap;
    color: inherit; text-decoration: none;
}
.row:last-child { border-bottom: 0; }
.row > span:first-child { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.row progress { flex-basis: 100%; height: 4px; }

.amount { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.in { color: var(--in); }
.out { color: var(--out); }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.block { display: block; }

.totals { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.5rem; margin-bottom: 1rem; }
.totals div { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 0.75rem; min-width: 0; }
.totals div:last-child { grid-column: 1 / -1; }
.totals strong { display: block; font-size: 1.05rem; font-variant-numeric: tabular-nums; }

.period { display: flex; align-items: center; justify-content: space-between; }
.period a { font-size: 1.6rem; text-decoration: none; padding: 0 0.75rem; }

.notice { padding: 0.75rem 1rem; border-radius: 10px; margin: 0 0 1rem; }
.notice p { margin: 0; }
.notice.ok { background: var(--ok-bg); }
.notice.error { background: var(--error-bg); }
.notice.action { display: block; background: var(--card); border: 1px solid var(--accent); text-decoration: none; font-weight: 600; }

label { display: block; margin: 0.75rem 0 0.25rem; font-weight: 600; font-size: 0.9rem; }
label.check { display: flex; gap: 0.5rem; align-items: center; font-weight: 400; }
input[type=text], input[type=number], input[type=password], input[type=search], select, textarea {
    width: 100%; padding: 0.6rem; border: 1px solid var(--line); border-radius: 8px;
    background: var(--bg); color: var(--text); font: inherit;
}
input[type=file] { width: 100%; margin: 0.5rem 0; }

button, .button {
    display: inline-block; margin-top: 0.75rem; padding: 0.7rem 1.1rem; border: 0; border-radius: 10px;
    background: var(--accent); color: var(--accent-text); font: inherit; font-weight: 600;
    text-decoration: none; cursor: pointer; text-align: center;
}
button:disabled { opacity: 0.6; }
button.secondary, .button.secondary { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
button.link { background: none; color: var(--accent); padding: 0; margin: 0; font-weight: 400; }

.inline { display: flex; gap: 0.5rem; align-items: center; }
.inline select, .inline input { flex: 1; }
.inline button { margin-top: 0; }
.filters { margin-bottom: 1rem; }
.group .inline { margin-top: 0.5rem; }

.pager { display: flex; justify-content: space-between; align-items: center; }
.dev { margin-top: 2rem; border-top: 1px solid var(--line); padding-top: 1rem; }

.visually-hidden {
    position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

details { margin-top: 1rem; }
summary { cursor: pointer; color: var(--accent); }
ol { padding-left: 1.2rem; }
.inline form { display: inline; }
.row .actions { flex-basis: 100%; justify-content: flex-start; gap: 1rem; }
.row .actions button { margin-top: 0; }