/* Roadmap board - columns side by side from 600px (auto), stacked below.
   Status tint is secondary: the column name and its count carry the meaning. */
:root { --rb-done: #067647; --rb-now: #4b5bd6; --rb-plan: #8a8fa3; }
html[data-theme="dark"] { --rb-done: #4ade80; --rb-now: #aab6ff; --rb-plan: #7c859f; }
@media (prefers-color-scheme: dark) { html[data-theme="auto"] { --rb-done: #4ade80; --rb-now: #aab6ff; --rb-plan: #7c859f; } }

.rb-board { display: grid; gap: 10px; grid-template-columns: 1fr; }
@media (min-width: 600px) {
    .rb-l-auto { grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); grid-template-columns: none; }
    .rb-l-auto.rb-n5, .rb-l-auto.rb-n6 { grid-auto-columns: minmax(180px, 1fr); overflow-x: auto; padding-bottom: 6px; }
}
.rb-l-board { grid-auto-flow: column; grid-auto-columns: minmax(200px, 1fr); grid-template-columns: none; overflow-x: auto; padding-bottom: 6px; }
.rb-l-board:focus-visible { outline: 2px solid var(--e-focus); outline-offset: 2px; border-radius: var(--e-radius-sm); }

.rb-col {
    position: relative; min-width: 0; display: flex; flex-direction: column; gap: 8px; padding: 10px; border-radius: calc(var(--e-radius-sm) + 2px);
    background: var(--e-surface); border: 1px solid var(--e-line); border-top: 3px solid var(--rb-plan);
}
.rb-k-now { border-top-color: var(--rb-now); }
.rb-k-done { border-top-color: var(--rb-done); }
.rb-k-other { border-top-color: var(--e-line-strong); }
.rb-head { display: flex; align-items: center; gap: 7px; min-width: 0; }
.rb-ico { flex: none; width: 18px; height: 18px; }
.rb-ico .rb-fill { fill: var(--rb-done); }
.rb-ico .rb-mark { fill: none; stroke: var(--e-bg); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.rb-ico .rb-ring { fill: none; stroke: var(--rb-plan); stroke-width: 2; }
.rb-k-now .rb-ico .rb-ring { stroke: var(--rb-now); }
.rb-ico .rb-half { fill: var(--rb-now); }
.rb-ico .rb-dash { stroke-dasharray: 3 2.6; }
.rb-name { margin: 0; flex: 1; min-width: 0; font-size: .95em; font-weight: 750; letter-spacing: -.005em; color: var(--e-ink); overflow-wrap: anywhere; }
.rb-count {
    flex: none; min-width: 24px; padding: 1px 8px; border-radius: 999px; text-align: center; font-size: .78em; font-weight: 700;
    background: var(--e-bg); border: 1px solid var(--e-line); color: var(--e-ink-2); font-variant-numeric: tabular-nums;
}
.rb-items { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.rb-item {
    display: grid; gap: 2px; padding: 8px 10px; border-radius: var(--e-radius-sm); background: var(--e-bg);
    border: 1px solid var(--e-line); box-shadow: 0 1px 2px rgba(16, 22, 43, .05); min-width: 0;
}
.rb-title { font-weight: 650; font-size: .92em; line-height: 1.35; color: var(--e-ink); overflow-wrap: anywhere; }
.rb-k-done .rb-title { color: var(--e-ink-2); }
.rb-detail { font-size: .82em; line-height: 1.4; color: var(--e-ink-3); overflow-wrap: anywhere; }
.rb-tag {
    justify-self: start; margin-top: 3px; padding: 0 8px; border-radius: 999px; font-size: .72em; font-weight: 700;
    background: var(--e-surface-2); color: var(--e-ink-2); overflow-wrap: anywhere;
}
.rb-empty { margin: 0; font-size: .84em; color: var(--e-ink-3); }
.rb-foot { margin: 10px 0 0; font-size: .8em; color: var(--e-ink-3); line-height: 1.45; }
.rb-foot strong { color: var(--e-ink-2); }
html[data-compact="1"] .rb-col { padding: 8px; gap: 6px; }
html[data-compact="1"] .rb-item { padding: 6px 8px; }