:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #1c232d;
  --border: #2a323d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #6e9fff;
  --accent-2: #a371f7;
  --good: #3fb950;
  --warn: #d29922;
  --danger: #f85149;
  --radius: 12px;
  --shadow: 0 6px 24px rgba(0,0,0,0.35);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: radial-gradient(1200px 600px at 70% -10%, #1a2433 0%, var(--bg) 55%);
  color: var(--text);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
}

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

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 28px; border-bottom: 1px solid var(--border);
  background: rgba(13,17,23,0.7); backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 14px; }
.logo { font-size: 30px; }
.topbar h1 { font-size: 18px; margin: 0; letter-spacing: 0.2px; }
.tagline { margin: 2px 0 0; color: var(--muted); font-size: 12px; }
.me { color: var(--muted); font-size: 13px; }
.me b { color: var(--text); }

.tabs {
  display: flex; gap: 4px; padding: 12px 20px 0; flex-wrap: wrap;
  border-bottom: 1px solid var(--border); position: sticky; top: 71px;
  background: var(--bg); z-index: 9;
}
.tab {
  padding: 9px 14px; border: none; background: none; color: var(--muted);
  font-size: 14px; cursor: pointer; border-bottom: 2px solid transparent;
  border-radius: 8px 8px 0 0;
}
.tab:hover { color: var(--text); background: var(--panel); }
.tab.active { color: var(--text); border-bottom-color: var(--accent); }

main { max-width: 1080px; margin: 0 auto; padding: 24px 20px 80px; }

.section-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 6px; gap: 12px; flex-wrap: wrap;
}
.section-head h2 { margin: 0; font-size: 22px; }
.section-desc { color: var(--muted); margin: 0 0 18px; font-size: 14px; }

.btn {
  border: 1px solid var(--border); background: var(--panel); color: var(--text);
  padding: 8px 14px; border-radius: 8px; cursor: pointer; font-size: 14px;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); border: none; color: #0b0f14; font-weight: 600; }
.btn.ghost { background: none; }
.btn.danger { color: var(--danger); }
.icon-btn { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 16px; }
.icon-btn:hover { color: var(--text); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }

.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px; box-shadow: var(--shadow); position: relative;
}
.card h3 { margin: 0 0 6px; font-size: 16px; }
.card .meta { color: var(--muted); font-size: 12px; margin-top: 10px; }
.card .row-actions { position: absolute; top: 12px; right: 12px; display: flex; gap: 6px; opacity: 0; transition: opacity .15s; }
.card:hover .row-actions { opacity: 1; }
.card p { margin: 6px 0; }
.label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }
.pill { display: inline-block; padding: 2px 9px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--border); font-size: 12px; color: var(--muted); }
.ask { border-left: 3px solid var(--accent-2); padding-left: 10px; margin-top: 10px; color: #d8c6ff; }

.empty { text-align: center; color: var(--muted); padding: 48px 20px; border: 1px dashed var(--border); border-radius: var(--radius); }

/* Next-meeting hero */
.hero {
  background: linear-gradient(135deg, #1a2740, #241a40); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px 24px; margin-bottom: 22px; box-shadow: var(--shadow);
}
.hero h3 { margin: 0 0 4px; font-size: 14px; color: var(--accent); text-transform: uppercase; letter-spacing: 1px; }
.hero .when { font-size: 24px; font-weight: 700; margin: 4px 0; }
.hero .rsvp { margin-top: 14px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.rsvp-btn { padding: 6px 12px; border-radius: 8px; border: 1px solid var(--border); background: var(--panel); cursor: pointer; color: var(--text); }
.rsvp-btn.on-in { background: var(--good); color: #04210c; border: none; }
.rsvp-btn.on-out { background: var(--danger); color: #2a0606; border: none; }
.rsvp-btn.on-maybe { background: var(--warn); color: #2a1f04; border: none; }
.rsvp-count { color: var(--muted); font-size: 13px; margin-left: 6px; }

/* Forms / modal */
.modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.6); display: flex; align-items: center; justify-content: center; z-index: 50; padding: 20px; }
.modal { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); width: min(560px, 100%); max-height: 90vh; overflow: auto; box-shadow: var(--shadow); }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.modal-head h3 { margin: 0; }
.modal-form { padding: 18px 20px; display: flex; flex-direction: column; gap: 12px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.field input, .field textarea, .field select {
  width: 100%; background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: 9px 11px; font: inherit;
}
.field textarea { min-height: 80px; resize: vertical; }
.form-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 6px; }
.form-error { color: var(--danger); font-size: 13px; min-height: 18px; }

/* Discussion / replies */
.thread { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; margin-bottom: 14px; }
.reply { border-top: 1px solid var(--border); padding: 10px 0 0; margin-top: 10px; }
.reply .meta { color: var(--muted); font-size: 12px; }
.reply-box { display: flex; gap: 8px; margin-top: 10px; }
.reply-box input { flex: 1; background: var(--panel-2); border: 1px solid var(--border); color: var(--text); border-radius: 8px; padding: 8px 10px; }

.done { text-decoration: line-through; color: var(--muted); }
.footer { border-top: 1px solid var(--border); padding: 16px 28px; color: var(--muted); font-size: 13px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

@media (max-width: 600px) {
  .topbar { padding: 14px 16px; }
  .topbar h1 { font-size: 16px; }
}