:root{color-scheme:dark;--bg:#0d1117;--tile:#161b22;--border:#30363d;--text:#e6edf3;--secondary:#8b949e;--accent:#22d3ee;--green:#3fb950;--yellow:#d29922;--gray:#6e7681;--red:#f85149}
*{box-sizing:border-box}
html{font-family:system-ui;color:var(--text);background:var(--bg)}
body{margin:0;min-height:100vh;background:var(--bg);font-size:.85rem;font-weight:400;line-height:1.5}
.shell{width:min(100% - 36px,960px);margin:auto;min-height:100vh;display:flex;flex-direction:column}
.masthead{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:40px 0 32px}
.brand h1{font-size:2rem;line-height:1.1;margin:0;font-weight:700;letter-spacing:.04em;color:var(--accent)}
.brand p{font-size:.85rem;margin:4px 0 0;letter-spacing:.24em;color:var(--secondary)}
.clock{text-align:right;color:var(--text);font-variant-numeric:tabular-nums}
.clock span{display:block;font-size:1.1rem;font-weight:700}
.clock small{display:block;font-size:.85rem;color:var(--secondary);font-weight:400}
main{flex:1}
section{margin:0 0 32px}
section h2{font-size:.85rem;letter-spacing:.16em;color:var(--secondary);font-weight:700;margin:0 0 12px}
.tiles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.tile{min-width:0;min-height:104px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;border:1px solid var(--border);border-radius:12px;background:var(--tile);color:var(--text);text-decoration:none}
a.tile:hover,a.tile:active,a.tile:focus-visible{border-color:var(--accent);background:#17232b}
a.tile:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.tile-copy{display:flex;min-width:0;flex-direction:column;gap:4px}
.tile-copy strong{font-size:1.1rem;font-weight:700;line-height:1.35}
.tile-copy>span{font-size:.85rem;color:var(--secondary);font-weight:400}
.dot{flex:0 0 9px;width:9px;height:9px;border-radius:50%;background:var(--gray)}
.dot.green{background:var(--green)}.dot.yellow{background:var(--yellow)}.dot.gray{background:var(--gray)}.dot.red{background:var(--red)}
.placeholder{cursor:default}
footer{padding:20px 0 28px;border-top:1px solid var(--border);color:var(--secondary);font-size:.85rem}
@media(max-width:640px){.shell{width:min(100% - 28px,960px)}.masthead{padding:28px 0 32px}.tiles{grid-template-columns:1fr}.tile{min-height:94px;padding:18px}}