:root {
    color-scheme: light;
    --bg: #efe8dc;
    --ink: #1a1613;
    --muted: #6b635b;
    --card: #fffcf7;
    --line: #e2d8cc;
    --line-strong: #d0c4b5;
    --accent: #1e3a5f;
    --accent-hover: #152a45;
    --accent-soft: #e8eef5;
    --danger: #9f1239;
    --danger-soft: #fde8ee;
    --radius: 0.85rem;
    --shadow: 0 1px 2px rgba(26, 22, 19, 0.04), 0 10px 28px rgba(26, 22, 19, 0.06);
    --font: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: var(--font);
    background:
        radial-gradient(1200px 420px at 8% -10%, #f7f1e6 0%, transparent 60%),
        var(--bg);
    color: var(--ink);
    line-height: 1.5;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover { text-decoration: underline; }

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.guest .shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.app .shell {
    max-width: 64rem;
    margin: 0 auto;
    padding: 1.5rem 1.1rem 2.5rem;
}

.projection-page .shell {
    max-width: 90rem;
}

.table-wrap {
    overflow-x: auto;
}

.nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem 0.85rem;
    align-items: center;
    padding: 0.7rem 1.1rem;
    border-bottom: 1px solid var(--line);
    background: rgba(255, 252, 247, 0.92);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 20;
}

.nav-brand {
    color: var(--ink);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-right: 0.4rem;
    text-decoration: none;
}

.nav-brand:hover { text-decoration: none; }

.nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.2rem;
    align-items: center;
    flex: 1 1 18rem;
}

.nav a:not(.nav-brand) {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 550;
    padding: 0.35rem 0.6rem;
    border-radius: 999px;
}

.nav a:not(.nav-brand):hover {
    color: var(--ink);
    background: var(--accent-soft);
    text-decoration: none;
}

.nav a.is-current {
    color: var(--accent);
    background: var(--accent-soft);
}

.nav-end {
    margin-left: auto;
}

.nav button,
.nav button.secondary {
    width: auto;
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    font-weight: 600;
}

.panel {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.5rem 1.4rem;
    box-shadow: var(--shadow);
}

.notice {
    padding: 0.8rem 0.95rem;
    border: 1px solid var(--accent);
    background: var(--accent-soft);
    color: var(--accent);
    border-radius: 0.55rem;
    margin: 0 0 1rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 0 0 1.25rem;
}

th, td {
    text-align: left;
    padding: 0.65rem 0.55rem;
    border-bottom: 1px solid var(--line);
    font-size: 0.95rem;
}

th {
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 650;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

tr:last-child td { border-bottom: 0; }

select, textarea {
    width: 100%;
    margin: 0 0 1rem;
    padding: 0.7rem 0.75rem;
    border: 1px solid var(--line-strong);
    border-radius: 0.5rem;
    font: inherit;
    background: #fff;
}

.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 1rem;
}

.muted { color: var(--muted); font-size: 0.92rem; }

.counts {
    list-style: none;
    padding: 0;
    margin: 1.25rem 0 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(10.5rem, 1fr));
    gap: 0.75rem;
}

.counts a {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    padding: 0.85rem 0.95rem;
    border: 1px solid var(--line);
    border-radius: 0.7rem;
    background: #fff;
    color: inherit;
    text-decoration: none;
    min-height: 4.6rem;
}

.counts a:hover {
    border-color: var(--accent);
    background: var(--accent-soft);
    text-decoration: none;
}

.count-label {
    color: var(--muted);
    font-size: 0.8rem;
    font-weight: 600;
}

.count-value {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
}

.count-value-action {
    font-size: 0.95rem;
    font-weight: 650;
    color: var(--accent);
}

fieldset {
    border: 1px solid var(--line);
    margin: 0 0 1.25rem;
    padding: 1rem;
    border-radius: 0.65rem;
}

legend { padding: 0 0.35rem; font-weight: 650; }

.card {
    width: 100%;
    max-width: 26rem;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 2rem 1.7rem;
    box-shadow: var(--shadow);
}

h1 {
    margin: 0 0 0.45rem;
    font-size: 1.7rem;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

h2 {
    margin: 0 0 0.55rem;
    font-size: 1.08rem;
    letter-spacing: -0.015em;
}

.lede {
    margin: 0 0 1.35rem;
    color: var(--muted);
    line-height: 1.45;
}

label {
    display: block;
    margin: 0 0 0.35rem;
    font-size: 0.92rem;
    font-weight: 600;
}

input {
    width: 100%;
    margin: 0 0 1rem;
    padding: 0.7rem 0.75rem;
    border: 1px solid var(--line-strong);
    border-radius: 0.5rem;
    font: inherit;
    background: #fff;
}

button {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 0;
    border-radius: 0.5rem;
    background: var(--accent);
    color: #fff;
    font: inherit;
    font-weight: 650;
    cursor: pointer;
}

button:hover { background: var(--accent-hover); }

button.secondary {
    width: auto;
    background: transparent;
    color: var(--ink);
    border: 1px solid var(--line-strong);
}

button.secondary:hover { background: var(--accent-soft); }

.row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.row h1 { margin: 0; }

.row > a {
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 0.9rem;
    background: var(--accent);
    color: #fff;
    border-radius: 0.5rem;
    font-size: 0.9rem;
    font-weight: 650;
    text-decoration: none;
    white-space: nowrap;
}

.row > a:hover {
    background: var(--accent-hover);
    text-decoration: none;
}

.alert {
    margin: 0 0 1rem;
    padding: 0.8rem 0.9rem;
    border: 1px solid var(--danger);
    background: var(--danger-soft);
    color: var(--danger);
    border-radius: 0.55rem;
}

.alert ul {
    margin: 0;
    padding-left: 1.15rem;
}

.goal-page .shell,
.comparison-page .shell {
    max-width: 64rem;
}

.field-hint {
    margin: -0.15rem 0 0.45rem;
    color: var(--muted);
    font-size: 0.85rem;
}

.compare-table th:nth-child(2),
.compare-table td:nth-child(2) {
    background: #f4f7fb;
}

.compare-table th:nth-child(3),
.compare-table td:nth-child(3) {
    background: #fff7f7;
}

.section {
    margin: 0 0 1.5rem;
    padding: 0 0 1.15rem;
    border-bottom: 1px solid var(--line);
}

.section:last-of-type {
    border-bottom: 0;
    margin-bottom: 0;
    padding-bottom: 0;
}

.comparison-rule {
    margin: 0 0 1.1rem;
}

.comparison-rule-name {
    margin: 0 0 0.2rem;
    font-weight: 650;
}

.headline-date {
    margin: 0 0 1rem;
    font-size: 2rem;
    line-height: 1.15;
    letter-spacing: -0.03em;
}

.metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin: 0 0 1rem;
}

.metrics div {
    margin: 0;
    padding: 0.75rem 0.85rem;
    border: 1px solid var(--line);
    border-radius: 0.65rem;
    background: #fff;
}

.metrics dt {
    color: var(--muted);
    font-size: 0.8rem;
    font-weight: 600;
}

.metrics dd {
    margin: 0.2rem 0 0;
    font-size: 1.08rem;
    font-weight: 650;
    font-variant-numeric: tabular-nums;
}

.badge {
    display: inline-block;
    margin: 0 0.35rem 0.35rem 0;
    padding: 0.15rem 0.55rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 650;
}

.badge-on {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent);
}

.badge-off {
    color: var(--muted);
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 0 0 1rem;
}

.actions form {
    margin: 0;
}

.actions button {
    width: auto;
}

.fund-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem;
}

.fund-list li {
    margin: 0 0 0.4rem;
}

.disclaimer {
    margin: 1rem 0;
    padding: 0.85rem 0.95rem;
    border-left: 3px solid var(--accent);
    background: var(--accent-soft);
    color: var(--muted);
    border-radius: 0 0.5rem 0.5rem 0;
}

.mansion-card .headline-date {
    margin-top: 0.35rem;
}

input[type="checkbox"] {
    width: auto;
    margin: 0 0.45rem 0 0;
}

label:has(input[type="checkbox"]) {
    display: flex;
    align-items: center;
    margin-bottom: 0.65rem;
    font-weight: 500;
}

.chart-frame {
    margin: 0 0 1.25rem;
    border: 1px solid var(--line);
    border-radius: 0.65rem;
    overflow: hidden;
    background: var(--card);
}

.chart {
    width: 100%;
    height: auto;
    display: block;
}

.guide-page .shell {
    max-width: 52rem;
}

.guide h2 {
    scroll-margin-top: 4.5rem;
}

.guide-toc {
    margin: 0 0 1.5rem;
    padding: 1rem 1.1rem;
    border: 1px solid var(--line);
    border-radius: 0.7rem;
    background: #fff;
}

.guide-toc ol {
    margin: 0.4rem 0 0;
    padding-left: 1.25rem;
}

.guide-toc a {
    font-weight: 600;
}

.guide-step {
    counter-increment: guide-step;
}

.guide ol.plain {
    margin: 0.4rem 0 0.8rem;
    padding-left: 1.25rem;
}

.guide .term-list {
    margin: 0;
}

.guide .term-list div {
    margin: 0 0 0.85rem;
    padding: 0.7rem 0.85rem;
    border: 1px solid var(--line);
    border-radius: 0.65rem;
    background: #fff;
}

.guide .term-list dt {
    font-weight: 650;
    margin: 0 0 0.2rem;
}

.guide .term-list dd {
    margin: 0;
    color: var(--muted);
}

@media (max-width: 40rem) {
    .grid,
    .metrics {
        grid-template-columns: 1fr;
    }

    .app .shell {
        padding: 1rem 0.85rem 2rem;
    }

    .panel {
        padding: 1.15rem 1rem;
    }

    .nav-end {
        margin-left: 0;
    }
}