@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=Inter:wght@400;500;600;700&display=swap');

:root {
    --bg: #f4f5f7;
    --surface: #ffffff;
    --surface-2: #eef0f3;
    --ink: #1c2530;
    --ink-dim: #64748b;
    --accent: #1d4e89;
    --accent-dim: #14355f;
    --positive: #1a7f4e;
    --negative: #b3261e;
    --rule: #dde1e6;
    --radius: 8px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: 'Inter', sans-serif;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .display {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin: 0;
}

.figure, .amount, input[type="number"] {
    font-family: 'IBM Plex Mono', monospace;
    font-variant-numeric: tabular-nums;
}

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

.wrap {
    max-width: 980px;
    margin: 0 auto;
    padding: 32px 24px 80px;
}

/* Top nav shared across pages */
.topbar {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--rule);
    background: var(--surface);
}
.topbar .brand {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 18px;
    letter-spacing: -0.01em;
    color: var(--ink);
}
.topbar .brand .dot { color: var(--accent); }
.topbar nav a {
    color: var(--ink-dim);
    text-decoration: none;
    font-size: 13px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-left: 22px;
    transition: color 0.15s;
}
.topbar nav a.active, .topbar nav a:hover { color: var(--accent); }

.eyebrow {
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 6px;
    font-weight: 600;
}

.page-title { font-size: 26px; margin-bottom: 8px; }
.page-sub { color: var(--ink-dim); font-size: 14px; margin-bottom: 28px; }

/* Card */
.card {
    background: var(--surface);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04);
}
.card + .card { margin-top: 0; }

/* Category tabs used on entry page */
.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--rule);
}
.tabs a {
    padding: 10px 18px;
    color: var(--ink-dim);
    text-decoration: none;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}
.tabs a.active {
    color: var(--ink);
    border-bottom-color: var(--accent);
}

/* Form elements */
label { font-size: 12px; color: var(--ink-dim); display: block; margin-bottom: 6px; letter-spacing: 0.03em; }
input[type="text"], input[type="number"], input[type="month"], select {
    width: 100%;
    background: var(--surface-2);
    border: 1px solid var(--rule);
    color: var(--ink);
    padding: 10px 12px;
    border-radius: 6px;
    font-size: 14px;
}
input:focus, select:focus {
    outline: none;
    border-color: var(--accent);
}
button {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.03em;
    padding: 11px 20px;
    border-radius: 6px;
    border: 1px solid var(--accent);
    background: var(--accent);
    color: #ffffff;
    cursor: pointer;
    transition: transform 0.1s, background 0.15s;
}
button:hover { background: var(--accent-dim); border-color: var(--accent-dim); }
button:active { transform: translateY(1px); }
button.ghost {
    background: transparent;
    color: var(--ink-dim);
    border-color: var(--rule);
}
button.ghost:hover { color: var(--ink); border-color: var(--ink-dim); }
button.danger { background: transparent; border-color: var(--negative); color: var(--negative); }

/* Ledger line rows for entry forms */
.ledger-row {
    display: grid;
    grid-template-columns: 1fr 160px 140px;
    align-items: center;
    gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid var(--rule);
}
.ledger-row .acct-name { font-family: 'Inter', sans-serif; font-weight: 600; font-size: 15px; }
.ledger-row .prev { text-align: right; color: var(--ink-dim); font-size: 13px; }

/* Bank grouping, shared by the entry rows and the accounts admin table */
.bank-group { margin-bottom: 24px; }
.bank-group:last-child { margin-bottom: 0; }
.bank-group-heading {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    padding-bottom: 8px;
    margin-bottom: 4px;
    border-bottom: 1px solid var(--rule);
}
.bank-group-count { color: var(--ink-dim); text-transform: none; letter-spacing: 0; }
.bank-group table { margin-bottom: 4px; }

/* Monthly entry: bank heading becomes a full-bleed bar across the card,
   and every row keeps the same divider — the bar is now the only
   thing marking the boundary between one bank's accounts and the next,
   so the divider no longer needs to disappear on a group's last row. */
#rows .bank-group-heading {
    background: var(--ink);
    color: var(--bg);
    border-bottom: none;
    margin: 0 -24px 12px;
    padding: 10px 24px;
}

/* Dashboard summary cards */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--surface);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04);
}
.stat-card .label { font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-dim); margin-bottom: 10px; font-weight: 600; }
.stat-card .value { font-size: 24px; font-family: 'IBM Plex Mono', monospace; }
.stat-card .delta { font-size: 13px; margin-top: 6px; }
.delta.up { color: var(--positive); }
.delta.down { color: var(--negative); }
.delta.flat { color: var(--ink-dim); }

/* Net worth summary banner */
.net-worth-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--surface);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    padding: 28px 32px;
    margin: 8px 0 32px;
    box-shadow: 0 1px 3px rgba(16, 24, 40, 0.06);
}
.net-worth-banner .label {
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-dim);
    font-weight: 600;
    margin-bottom: 8px;
}
.net-worth-banner .value {
    font-size: 34px;
    font-family: 'IBM Plex Mono', monospace;
    color: var(--ink);
}
.net-worth-banner .asof { font-size: 13px; color: var(--ink-dim); margin-top: 6px; text-align: right; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--rule); }
th { color: var(--ink-dim); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; }
td.num { text-align: right; font-family: 'IBM Plex Mono', monospace; }

/* Dashboard: per-category subtotal row inside the latest-month table */
tr.category-group-row td {
    background: var(--surface-2);
    font-weight: 600;
    color: var(--ink);
    border-bottom: 1px solid var(--rule);
}
tr.category-group-row td.num { font-family: 'IBM Plex Mono', monospace; }

.empty-state { text-align: center; padding: 40px 20px; color: var(--ink-dim); }
.empty-state a { color: var(--accent); }

.toast {
    position: fixed;
    bottom: 24px; left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--ink);
    border: 1px solid var(--ink);
    color: var(--bg);
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 13px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s, transform 0.2s;
    box-shadow: 0 4px 12px rgba(16, 24, 40, 0.15);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 720px) {
    .stat-grid { grid-template-columns: 1fr 1fr; }
    .ledger-row { grid-template-columns: 1fr 100px; }
    .ledger-row .prev { display: none; }
    .topbar nav a { margin-left: 12px; }
    .net-worth-banner { flex-direction: column; align-items: flex-start; gap: 8px; }
    .net-worth-banner .asof { text-align: left; }
}