/* Forever Hub: dense, Planka-like. Colours are variables; the dark block follows the OS setting. */

:root {
    --bg: #f4f5f7;
    --bg-panel: #ffffff;
    --bg-secondary: #fafbfc;
    --bg-tertiary: #e4e7eb;
    --border: #dfe1e6;
    --text: #172b4d;
    --text-secondary: #5e6c84;
    --accent: #0c66e4;
    --accent-soft: #85b8ff;
    --success: #1f845a;
    --success-soft: #94c748;
    --warning: #b65c02;
    --warning-bg: #fff7d6;
    --warning-border: #f5cd47;
    --error: #c9372c;
    --error-bg: #ffeceb;
    --ported: #a5adba;
    --selected-bg: #e9f2ff;
    --selected-border: #579dff;
    --radius: 6px;
    color-scheme: light;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #1d2125;
        --bg-panel: #22272b;
        --bg-secondary: #282e33;
        --bg-tertiary: #38414a;
        --border: #3b444c;
        --text: #dee4ea;
        --text-secondary: #9fadbc;
        --accent: #579dff;
        --accent-soft: #1d5fbf;
        --success: #4bce97;
        --success-soft: #4c6b1f;
        --warning: #f5cd47;
        --warning-bg: #3d3200;
        --warning-border: #7f5f01;
        --error: #f87168;
        --error-bg: #42221f;
        --ported: #596773;
        --selected-bg: #1c2b41;
        --selected-border: #579dff;
        color-scheme: dark;
    }
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 13px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 18px; margin: 0; }
h2 { font-size: 13px; margin: 0 0 8px; }
h1:focus { outline: none; }
code { font-size: 12px; }
.muted { color: var(--text-secondary); }
.empty { color: var(--text-secondary); margin: 4px 0; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Top bar */
.topbar {
    display: flex;
    align-items: center;
    gap: 16px;
    height: 40px;
    padding: 0 16px;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border);
}
.brand { font-weight: 600; color: var(--text); }
.topnav a { color: var(--text-secondary); padding: 4px 8px; border-radius: var(--radius); }
.topnav a.active { color: var(--text); background: var(--selected-bg); }
.user { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.user form { margin: 0; }
.btn-link { background: none; border: 0; padding: 0; color: var(--accent); font: inherit; cursor: pointer; }
.btn-link:hover { text-decoration: underline; }

.page { padding: 12px 16px 24px; max-width: 1400px; margin: 0 auto; }
.crumbs { color: var(--text-secondary); margin-bottom: 8px; }

.panel {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px 12px;
    margin-bottom: 12px;
}

/* Stale data */
.stale-banner {
    background: var(--warning-bg);
    border: 1px solid var(--warning-border);
    border-radius: var(--radius);
    padding: 6px 10px;
    margin-bottom: 8px;
}
.stale-error { margin-top: 2px; color: var(--text-secondary); word-break: break-word; }

/* KPIs */
.kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)) minmax(0, 2fr); gap: 10px; margin: 0 0 12px; }
.kpi { background: var(--bg-panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 8px 12px; }
.kpi b { display: block; font-size: 20px; line-height: 1.3; }
.kpi-label { color: var(--text-secondary); font-size: 11px; text-transform: uppercase; letter-spacing: .04em; }
.kpi small { display: block; font-size: 11px; }
.kpi-wide .progress { margin: 6px 0 2px; }
.delta.up { color: var(--success); }
.delta.down { color: var(--error); }

.overview-grid { display: grid; grid-template-columns: minmax(0, 2.2fr) minmax(0, 1fr); gap: 12px; align-items: start; }
@media (max-width: 900px) {
    .overview-grid, .kpis { grid-template-columns: minmax(0, 1fr); }
}

/* Group tabs: radio inputs, no script */
.tabs { display: flex; flex-wrap: wrap; gap: 6px; }
.tab-input { position: absolute; opacity: 0; pointer-events: none; }
.tab {
    order: 0;
    padding: 2px 10px;
    border: 1px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    user-select: none;
}
.tab-count { color: var(--text-secondary); font-size: 11px; }
.tab-panel { order: 1; width: 100%; display: none; margin-top: 4px; }
.tab-input:checked + .tab { background: var(--selected-bg); border-color: var(--selected-border); }
.tab-input:focus-visible + .tab { outline: 2px solid var(--selected-border); outline-offset: 1px; }
.tab-input:checked + .tab + .tab-panel { display: block; }

/* Area rows */
.area-row {
    display: grid;
    grid-template-columns: minmax(0, 2fr) 70px minmax(160px, 3fr) minmax(0, 1.4fr);
    gap: 10px;
    align-items: center;
    padding: 5px 4px;
    border-bottom: 1px solid var(--bg-tertiary);
}
.area-head { color: var(--text-secondary); font-size: 11px; border-bottom-color: var(--border); padding-top: 2px; }
.area-name { display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; }
.area-name small { flex-basis: 100%; font-size: 11px; }
.area-count { text-align: right; }
.area-header { border-bottom: 0; }
.area-header h1 { display: inline; }

/* Progress bar and legend */
.progress { display: flex; height: 10px; border-radius: 3px; overflow: hidden; background: var(--bg-tertiary); }
.seg { height: 100%; }
.seg-notsniffed { background: var(--bg-tertiary); }
.seg-partlysniffed { background: var(--accent-soft); }
.seg-sniffed { background: var(--accent); }
.seg-implementedported { background: var(--ported); }
.legend { display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: 11px; color: var(--text-secondary); margin-top: 6px; }
.legend em { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 4px; vertical-align: -1px; border: 1px solid var(--border); }
.legend b { color: var(--text); font-weight: 500; margin-left: 3px; }

/* Tags */
.tag {
    display: inline-block;
    font-size: 11px;
    padding: 0 7px;
    border-radius: 10px;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    white-space: nowrap;
}
.tag-needssniffer, .tag-sniffing { border-color: var(--accent); color: var(--accent); }
.tag-readyfordev { border-color: var(--success); color: var(--success); }
.tag-error { border-color: var(--error); color: var(--error); background: var(--error-bg); }

/* Side panels */
.side .panel h2 { margin-bottom: 4px; }
.hint, .feed-item { padding: 5px 0; border-bottom: 1px solid var(--bg-tertiary); }
.hint:last-child, .feed-item:last-child { border-bottom: 0; }
.hint small, .feed-item small { display: block; color: var(--text-secondary); font-size: 11px; }

/* Quest table */
.filters { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; flex-wrap: wrap; }
.filters label { display: flex; align-items: center; gap: 4px; color: var(--text-secondary); }
select, input {
    font: inherit;
    color: var(--text);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 3px 6px;
}
.count { margin-left: auto; }
table.quests { width: 100%; border-collapse: collapse; }
.quests th { text-align: left; font-size: 11px; font-weight: 500; color: var(--text-secondary); padding: 4px 6px; border-bottom: 1px solid var(--border); }
.quests td { padding: 4px 6px; border-bottom: 1px solid var(--bg-tertiary); vertical-align: top; }
.quests tr:hover td { background: var(--bg-secondary); }
.quests .num { text-align: right; }
.state { display: inline-block; font-size: 11px; padding: 0 6px; border-radius: 3px; background: var(--bg-tertiary); white-space: nowrap; }
.state-partlysniffed { background: var(--accent-soft); color: var(--text); }
.state-sniffed { background: var(--accent); color: #fff; }
.state-implementedported { background: var(--ported); color: var(--text); }
@media (max-width: 900px) {
    .quests th:nth-child(6), .quests td:nth-child(6), .quests th:nth-child(7), .quests td:nth-child(7) { display: none; }
}

/* Login and message pages */
.login, .message-page {
    max-width: 360px;
    margin: 48px auto;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 20px;
}
.message-page { max-width: 520px; }
.login form { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.login label { display: flex; flex-direction: column; gap: 3px; color: var(--text-secondary); }
.login input { padding: 6px 8px; }
.btn-primary {
    background: var(--accent);
    color: #fff;
    border: 0;
    border-radius: 4px;
    padding: 7px 10px;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
}
.form-error {
    margin-top: 10px;
    padding: 6px 10px;
    border: 1px solid var(--error);
    background: var(--error-bg);
    border-radius: 4px;
}

.blazor-error-boundary { background: var(--error-bg); border: 1px solid var(--error); padding: 8px 12px; border-radius: var(--radius); }
.blazor-error-boundary::after { content: "Something went wrong here."; }