:root {
    color-scheme: dark;

    --bg:         #0b0f1a;
    --bg-alt:     #141a28;
    --bg-cell:    #0f1420;
    --bg-surface: #1a2030;
    --fg:         #e6ecf5;
    --fg-dim:     #8a93a8;
    --fg-faint:   #5c6578;
    --accent:     #5eb2ff;
    --accent-alt: #7ddba2;
    --warn:       #efc56a;
    --danger:     #e66060;
    --border:     #20283a;
    --border-hot: #2a3144;

    --tier-ship:   #7ddba2;   /* 80+ */
    --tier-strong: #5eb2ff;   /* 60-79 */
    --tier-mvp:    #efc56a;   /* 40-59 */
    --tier-early:  #e8a2ff;   /* 20-39 */
    --tier-seed:   #f39c9c;   /* 0-19 */

    --gradient-hero: linear-gradient(135deg, #5eb2ff 0%, #7ddba2 45%, #efc56a 100%);
}
* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: radial-gradient(ellipse at top, #182038 0%, var(--bg) 55%) fixed;
    color: var(--fg);
    font: 15px/1.55 system-ui, -apple-system, "Segoe UI", "Hiragino Kaku Gothic Pro",
          "Noto Sans JP", sans-serif;
    min-height: 100vh;
}

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

/* ── header / footer ─────────────────────────────── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 28px;
    background: rgba(11, 15, 26, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}
.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}
.brand-icon { font-size: 32px; }
.brand h1 {
    margin: 0;
    font-size: 22px;
    font-weight: 600;
    letter-spacing: 0.02em;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.brand .tagline {
    margin: 2px 0 0;
    font-size: 12px;
    color: var(--fg-dim);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.site-header nav {
    display: flex;
    gap: 20px;
    font-size: 13px;
}
.site-header nav a {
    color: var(--fg-dim);
}
.site-header nav a:hover {
    color: var(--fg);
    text-decoration: none;
}

main {
    max-width: 1120px;
    margin: 0 auto;
    padding: 32px 24px 80px;
    display: flex;
    flex-direction: column;
    gap: 48px;
}

footer {
    max-width: 1120px;
    margin: 0 auto;
    padding: 24px;
    border-top: 1px solid var(--border);
    color: var(--fg-dim);
    font-size: 12px;
    text-align: center;
}

/* ── card base ────────────────────────────────────── */
.card {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
}

.section-title {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
}
.section-sub {
    margin: 4px 0 20px;
    color: var(--fg-dim);
    font-size: 13px;
}

/* ── HERO ────────────────────────────────────────── */
.hero-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 18px;
}
.hero-head h2 {
    margin: 0;
    font-size: 14px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--fg-dim);
    font-weight: 600;
}
.snapshot-date {
    font-family: ui-monospace, Consolas, monospace;
    font-size: 12px;
    color: var(--fg-dim);
}

.progress-wrap { margin-bottom: 28px; }
.progress-bar {
    position: relative;
    height: 56px;
    background: var(--bg-cell);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
}
.progress-fill {
    position: absolute;
    top: 0; left: 0; bottom: 0;
    width: 0;
    background: var(--gradient-hero);
    transition: width 0.6s ease-out;
    box-shadow: 0 0 30px rgba(94, 178, 255, 0.4);
}
.progress-label {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: ui-monospace, Consolas, monospace;
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.tier-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
    margin-bottom: 22px;
}
.tier {
    padding: 12px 14px;
    background: var(--bg-cell);
    border: 1px solid var(--border);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    position: relative;
    overflow: hidden;
}
.tier::before {
    content: "";
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: var(--tier-mvp);
}
.tier.ship::before   { background: var(--tier-ship); }
.tier.strong::before { background: var(--tier-strong); }
.tier.mvp::before    { background: var(--tier-mvp); }
.tier.early::before  { background: var(--tier-early); }
.tier.seed::before   { background: var(--tier-seed); }

.tier-range {
    font-family: ui-monospace, Consolas, monospace;
    font-size: 12px;
    color: var(--fg-dim);
}
.tier-count {
    font-size: 22px;
    font-weight: 700;
}
.tier-repos {
    font-size: 11px;
    color: var(--fg-faint);
    line-height: 1.4;
    word-break: break-all;
}

.highlights h3 {
    margin: 0 0 8px;
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--fg-dim);
    font-weight: 600;
}
.highlights ul {
    margin: 0;
    padding-left: 20px;
    color: var(--fg);
    font-size: 14px;
    line-height: 1.7;
}
.highlights li::marker { color: var(--accent); }

/* ── categories / services ───────────────────────── */
.services { display: flex; flex-direction: column; gap: 28px; }
#categories-root {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
}
@media (min-width: 860px) {
    #categories-root { grid-template-columns: 1fr 1fr; }
}

.category {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 18px 22px;
    position: relative;
    overflow: hidden;
}
.category::before {
    content: "";
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 4px;
    background: var(--cat-accent, var(--accent));
}
.category-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 10px;
}
.category-title {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
}
.category-count {
    font-family: ui-monospace, Consolas, monospace;
    font-size: 11px;
    color: var(--fg-dim);
}

.service-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.service-row {
    border-radius: 6px;
    transition: background 0.15s;
}
.service-row:hover { background: var(--bg-cell); }

.service-link {
    display: grid;
    grid-template-columns: 28px minmax(0, 1fr) 110px;
    gap: 10px;
    align-items: center;
    padding: 8px 10px;
    color: inherit;
    text-decoration: none;
}
.service-icon {
    font-size: 22px;
    line-height: 1;
    text-align: center;
}
.service-meta {
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.service-name {
    font-weight: 600;
    font-size: 14px;
}
.service-summary {
    font-size: 11.5px;
    color: var(--fg-dim);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.service-progress {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 3px;
}
.service-pct {
    font-family: ui-monospace, Consolas, monospace;
    font-size: 13px;
    font-weight: 600;
}
.mini-bar {
    height: 4px;
    width: 100px;
    background: var(--bg-cell);
    border: 1px solid var(--border);
    border-radius: 2px;
    overflow: hidden;
}
.mini-fill { height: 100%; width: 0; transition: width 0.5s; }

.service-row.tier-ship   .service-pct,
.service-row.tier-ship   .mini-fill { color: var(--tier-ship);   background: var(--tier-ship);   }
.service-row.tier-strong .service-pct,
.service-row.tier-strong .mini-fill { color: var(--tier-strong); background: var(--tier-strong); }
.service-row.tier-mvp    .service-pct,
.service-row.tier-mvp    .mini-fill { color: var(--tier-mvp);    background: var(--tier-mvp);    }
.service-row.tier-early  .service-pct,
.service-row.tier-early  .mini-fill { color: var(--tier-early);  background: var(--tier-early);  }
.service-row.tier-seed   .service-pct,
.service-row.tier-seed   .mini-fill { color: var(--tier-seed);   background: var(--tier-seed);   }

/* ── history timeline ────────────────────────────── */
.timeline {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
}
.timeline::before {
    content: "";
    position: absolute;
    left: 7px;
    top: 8px;
    bottom: 8px;
    width: 1px;
    background: var(--border-hot);
}
.timeline-item {
    display: grid;
    grid-template-columns: 24px 100px minmax(0, 1fr) 80px;
    gap: 12px;
    align-items: center;
    padding: 8px 0;
}
.timeline-item::before {
    content: "";
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent);
    margin: 0 2px;
    box-shadow: 0 0 0 3px var(--bg-alt);
}
.timeline-date {
    font-family: ui-monospace, Consolas, monospace;
    font-size: 12px;
    color: var(--fg-dim);
}
.timeline-desc {
    font-size: 13px;
    color: var(--fg);
}
.timeline-score {
    font-family: ui-monospace, Consolas, monospace;
    font-weight: 700;
    text-align: right;
    font-size: 14px;
}