:root {
  --bg: #09090b;
  --card: #111114;
  --card2: #17171b;
  --line: #26262c;
  --txt: #f4f4f5;
  --muted: #9d9da7;
  --acc: #7dd3fc;
  --acc2: #86efac;
  --warn: #fbbf24;
  --hot: #f87171;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--txt);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

.hero {
  max-width: 1080px;
  margin: 0 auto;
  padding: 48px 20px 8px;
}
.brand { font-family: var(--mono); font-size: 13px; color: var(--muted); letter-spacing: .08em; }
.brand a { color: var(--muted); }
.hero h1 {
  font-family: var(--mono);
  font-size: clamp(24px, 4.5vw, 40px);
  font-weight: 900;
  margin: 8px 0 4px;
}
.blink { animation: blink 1.1s steps(1) infinite; color: var(--acc); }
@keyframes blink { 50% { opacity: 0; } }
.lead { color: var(--muted); font-size: 15px; }

.stats { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 20px; }
.stat .num { font-family: var(--mono); font-size: 22px; font-weight: 700; color: var(--acc2); display: block; }
.stat .lbl { font-size: 12px; color: var(--muted); letter-spacing: .04em; }

main { max-width: 1080px; margin: 0 auto; padding: 24px 20px 60px; }

.filters { position: sticky; top: 0; z-index: 5; background: var(--bg); padding: 12px 0 14px; border-bottom: 1px solid var(--line); }
#search {
  width: 100%; padding: 12px 14px; font-size: 15px;
  background: var(--card); color: var(--txt);
  border: 1px solid var(--line); border-radius: 10px; outline: none;
}
#search:focus { border-color: var(--acc); }

.chiprow { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.chip {
  font-family: var(--mono); font-size: 12px; padding: 5px 11px;
  border: 1px solid var(--line); border-radius: 999px;
  background: var(--card); color: var(--muted); cursor: pointer; user-select: none;
}
.chip:hover { border-color: var(--acc); color: var(--txt); }
.chip.on { background: var(--acc); border-color: var(--acc); color: #000; font-weight: 700; }

.toggles { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 12px; }
.tgl { font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 6px; cursor: pointer; }
.tgl input { accent-color: var(--acc); }
.tgl:hover { color: var(--txt); }

.deadlines { margin: 22px 0 6px; }
.deadlines h2 { font-family: var(--mono); font-size: 13px; color: var(--warn); letter-spacing: .06em; margin-bottom: 10px; }
.dl-row {
  display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: baseline;
  background: linear-gradient(90deg, rgba(251,191,36,.07), transparent);
  border-left: 3px solid var(--warn);
  padding: 10px 14px; border-radius: 0 10px 10px 0; margin-bottom: 8px;
}
.dl-row.urgent { border-left-color: var(--hot); background: linear-gradient(90deg, rgba(248,113,113,.09), transparent); }
.dl-name { font-weight: 700; font-size: 14px; }
.dl-days { font-family: var(--mono); font-size: 12px; color: var(--warn); }
.dl-row.urgent .dl-days { color: var(--hot); }
.dl-date { font-size: 12px; color: var(--muted); }

.month {
  font-family: var(--mono); font-size: 13px; color: var(--muted);
  letter-spacing: .1em; text-transform: uppercase;
  margin: 30px 0 12px; display: flex; align-items: center; gap: 12px;
}
.month::after { content: ""; flex: 1; height: 1px; background: var(--line); }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 16px 18px; margin-bottom: 10px;
  display: grid; grid-template-columns: 1fr auto; gap: 4px 14px;
  transition: border-color .15s;
}
.card:hover { border-color: #3a3a44; }
.card.top { border-color: rgba(125,211,252,.45); background: var(--card2); }
.card.past { opacity: .45; }

.c-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.c-name { font-size: 16px; font-weight: 750; }
.c-fav {
  background: none; border: none; color: var(--muted); font-size: 16px;
  cursor: pointer; padding: 0 2px; line-height: 1;
}
.c-fav.on { color: var(--warn); }

.c-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.tag {
  font-family: var(--mono); font-size: 11px; padding: 3px 9px;
  border-radius: 999px; border: 1px solid var(--line); color: var(--muted);
}
.tag.cat-hackathon { color: #c4b5fd; border-color: #4c3a78; }
.tag.cat-ctf { color: #fda4af; border-color: #6b2f3d; }
.tag.cat-tech { color: var(--acc); border-color: #1e4a63; }
.tag.cat-startup { color: var(--acc2); border-color: #2c5a3c; }
.tag.cat-workshop { color: #fcd34d; border-color: #66521a; }
.tag.cat-conference { color: #93c5fd; border-color: #2a4a7a; }
.tag.cat-networking { color: #5eead4; border-color: #1c5c52; }
.tag.cat-crazy { color: #f0abfc; border-color: #65306b; }
.tag.cat-gaming { color: #a5b4fc; border-color: #3a4080; }
.tag.free { color: #000; background: var(--acc2); border-color: var(--acc2); font-weight: 700; }
.tag.hl { color: #000; background: var(--warn); border-color: var(--warn); font-weight: 700; }
.tag.status-few { color: #000; background: var(--hot); border-color: var(--hot); font-weight: 700; }
.tag.status-waitlist { color: var(--warn); border-color: var(--warn); }
.tag.status-soldout, .tag.status-closed { color: var(--muted); }

.c-info { display: flex; flex-wrap: wrap; gap: 4px 16px; margin-top: 8px; font-size: 13.5px; color: var(--muted); }
.c-info b { color: var(--txt); font-weight: 600; }
.c-note { margin-top: 8px; font-size: 13.5px; color: #c9c9d1; max-width: 720px; }
.c-dl { margin-top: 8px; font-family: var(--mono); font-size: 12px; color: var(--warn); }
.c-dl.urgent { color: var(--hot); }

.c-side { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; justify-content: space-between; }
.c-date { font-family: var(--mono); font-size: 13px; text-align: right; white-space: nowrap; color: var(--txt); }
.c-search {
  font-family: var(--mono); font-size: 12px; color: var(--acc);
  border: 1px solid var(--line); border-radius: 8px; padding: 5px 10px; white-space: nowrap;
}
.c-search:hover { border-color: var(--acc); text-decoration: none; }

.empty { text-align: center; color: var(--muted); padding: 40px 0; font-size: 15px; }

footer { border-top: 1px solid var(--line); }
.foot { max-width: 1080px; margin: 0 auto; padding: 28px 20px 40px; color: var(--muted); font-size: 12.5px; }
.foot p { margin-bottom: 6px; }
.foot code { font-family: var(--mono); color: var(--txt); background: var(--card); padding: 1px 5px; border-radius: 4px; font-size: 11.5px; }

@media (max-width: 640px) {
  .card { grid-template-columns: 1fr; }
  .c-side { flex-direction: row; align-items: center; justify-content: space-between; width: 100%; }
  .c-date { text-align: left; }
  .stats { gap: 16px; }
}