:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #1c2230;
  --border: #2a3038;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --speaking: #d29922;
  --attending: #3fb950;
  --tracking: #8b949e;
  --danger: #f85149;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.wrap { max-width: 860px; margin: 0 auto; padding: 0 20px; }

.site-header {
  background: linear-gradient(180deg, #161b22 0%, #0d1117 100%);
  border-bottom: 1px solid var(--border);
  padding: 32px 0 24px;
}
.site-header h1 { margin: 0; font-size: 28px; letter-spacing: -0.5px; }
.tagline { margin: 6px 0 16px; color: var(--muted); }

.stats { display: flex; gap: 18px; flex-wrap: wrap; }
.stats .stat { display: flex; align-items: baseline; gap: 6px; }
.stats .stat b { font-size: 20px; }
.stats .stat span { color: var(--muted); font-size: 13px; }

.controls {
  display: flex; gap: 12px; flex-wrap: wrap; align-items: center;
  padding-top: 20px; padding-bottom: 4px;
}
#search {
  flex: 1 1 240px; min-width: 200px;
  background: var(--panel); color: var(--text);
  border: 1px solid var(--border); border-radius: 999px;
  padding: 9px 16px; font-size: 14px; outline: none;
}
#search:focus { border-color: var(--accent); }

.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  background: var(--panel); color: var(--muted);
  border: 1px solid var(--border); border-radius: 999px;
  padding: 7px 13px; font-size: 13px; cursor: pointer; transition: all .15s;
}
.chip:hover { color: var(--text); border-color: #3d444d; }
.chip.is-active { background: var(--accent); color: #0d1117; border-color: var(--accent); font-weight: 600; }

.list { display: flex; flex-direction: column; gap: 12px; padding: 18px 0 8px; }

.card {
  background: var(--panel); border: 1px solid var(--border);
  border-left: 3px solid var(--tracking); border-radius: var(--radius);
  padding: 16px 18px; transition: border-color .15s, transform .1s;
}
.card:hover { border-color: #3d444d; }
.card.s-speaking { border-left-color: var(--speaking); }
.card.s-attending { border-left-color: var(--attending); }
.card.s-not_interested { border-left-color: #444c56; }
.card.is-past { opacity: 0.55; }
.card.is-skipped { opacity: 0.6; }

.card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.card h2 { margin: 0; font-size: 17px; }
.card h2 a { color: var(--text); text-decoration: none; }
.card h2 a:hover { color: var(--accent); text-decoration: underline; }

.countdown { flex: none; text-align: right; font-size: 13px; color: var(--muted); white-space: nowrap; }
.countdown b { display: block; font-size: 18px; color: var(--text); }
.countdown.soon b { color: var(--speaking); }
.countdown.imminent b { color: var(--danger); }

.meta { display: flex; gap: 14px; flex-wrap: wrap; color: var(--muted); font-size: 13px; margin: 8px 0 0; }
.meta .badge {
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .4px;
  padding: 2px 8px; border-radius: 999px; color: #0d1117;
}
.badge.speaking { background: var(--speaking); }
.badge.attending { background: var(--attending); }
.badge.tracking { background: #30363d; color: var(--muted); }
.badge.not_interested { background: #30363d; color: var(--muted); }
.badge.virtual { background: #a371f7; }
.badge.hybrid { background: #2f81f7; }

.talk {
  margin: 10px 0 0; padding: 8px 12px; background: var(--panel-2);
  border-radius: 8px; font-size: 13px;
}
.talk .state { font-weight: 600; color: var(--speaking); text-transform: capitalize; }
.talk .muted { color: var(--muted); font-weight: 400; }
.talk.t-submitted .state { color: var(--accent); }
.talk.t-confirmed .state { color: var(--attending); }
.talk.t-rejected .state { color: var(--danger); }
.talk.t-done .state { color: #a371f7; }
.talk a.rec { color: #ff6b6b; text-decoration: none; font-weight: 600; }
.talk a.rec:hover { text-decoration: underline; }

.cfp {
  margin: 10px 0 0; font-size: 13px; color: var(--accent);
}
.cfp.imminent { color: var(--danger); font-weight: 600; }

.notes { margin: 10px 0 0; color: var(--muted); font-size: 13px; }

.tags { display: flex; gap: 6px; flex-wrap: wrap; margin: 10px 0 0; }
.tag { font-size: 11px; color: var(--muted); background: var(--panel-2); padding: 2px 8px; border-radius: 6px; }

.links { display: flex; gap: 14px; margin: 10px 0 0; font-size: 13px; }
.links a { color: var(--accent); text-decoration: none; }
.links a:hover { text-decoration: underline; }

.empty { text-align: center; color: var(--muted); padding: 40px 0; }

.site-footer {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  color: var(--muted); font-size: 12px; padding-top: 24px; padding-bottom: 40px;
  margin-top: 12px; border-top: 1px solid var(--border);
}

@media (max-width: 560px) {
  .card-top { flex-direction: column; }
  .countdown { text-align: left; }
}