:root { --navy:#005898; --deep:#182060; --salt:#58A0D0; --pale:#EEF3F8; --grey:#6B7A90; --red:#C82020; }
* { box-sizing: border-box; }
body { margin:0; font-family: Calibri, "Segoe UI", Arial, sans-serif; color:#1b2430; background:#f6f8fb; line-height:1.45; }
.top { display:flex; align-items:center; gap:18px; padding:18px 24px; background:#fff; border-bottom:1px solid #e3e9f1; }
.top .logo { width:84px; height:84px; }
.top .sponsor { height:48px; margin-left:auto; }
.top-text h1 { margin:2px 0; font-size:1.5rem; color:var(--navy); }
.eyebrow { font-size:.8rem; letter-spacing:.04em; text-transform:uppercase; color:var(--grey); }
.muted { color:var(--grey); }
.fine { font-size:.85rem; color:var(--grey); }
main { max-width:860px; margin:28px auto; padding:0 16px; }
.card { background:#fff; border:1px solid #e3e9f1; border-radius:14px; padding:28px; margin-bottom:20px; box-shadow:0 2px 10px rgba(24,32,96,.05); }
h2 { color:var(--navy); margin-top:0; }
label { display:block; font-weight:600; color:var(--deep); margin:18px 0 6px; }
input[type=email], input[type=text], textarea, select { width:100%; font:inherit; padding:10px 12px; border:1px solid #c9d4e2; border-radius:8px; }
textarea { resize:vertical; }
.btn { font:inherit; font-weight:600; background:var(--navy); color:#fff; border:0; border-radius:8px; padding:12px 20px; cursor:pointer; margin-top:14px; }
.btn:hover { background:#004a80; }
.btn.secondary { background:var(--pale); color:var(--navy); }
.btn[disabled] { opacity:.6; cursor:default; }
.msg { padding:10px 14px; border-radius:8px; background:var(--pale); color:var(--deep); }
.msg.error { background:#fbe9e9; color:var(--red); }
.hello { margin-top:0; }
.q { margin-bottom:6px; }
.q .req { color:var(--red); }
/* rating buttons 1-5 */
.rating { display:flex; gap:8px; flex-wrap:wrap; }
.rating label { margin:0; }
.rating input { position:absolute; opacity:0; }
.rating span { display:inline-block; min-width:46px; text-align:center; padding:9px 0; border:1px solid #c9d4e2; border-radius:8px; cursor:pointer; font-weight:600; color:var(--navy); background:#fff; }
.rating input:checked + span { background:var(--navy); color:#fff; border-color:var(--navy); }
.rating input:focus-visible + span { outline:2px solid var(--salt); }
.scale-hint { display:flex; justify-content:space-between; font-size:.78rem; color:var(--grey); max-width:270px; margin-top:4px; }
/* talks grid */
.talks { width:100%; border-collapse:collapse; font-size:.95rem; }
.talks td { padding:8px 6px; border-bottom:1px solid #edf1f6; vertical-align:middle; }
.talks td:first-child { width:55%; }
.talks .rating span { min-width:38px; padding:7px 0; }
.choice label { display:inline-flex; align-items:center; gap:8px; font-weight:500; margin:6px 18px 6px 0; }
footer { text-align:center; padding:24px; }
@media (max-width:640px) {
  .top { flex-wrap:wrap; } .top .sponsor { margin-left:0; }
  .talks td { display:block; } .talks td:first-child { width:auto; padding-bottom:0; font-weight:600; }
}
/* admin */
table.reg { width:100%; border-collapse:collapse; font-size:.9rem; }
table.reg th, table.reg td { padding:7px 8px; border-bottom:1px solid #edf1f6; text-align:left; }
table.reg th { background:var(--pale); color:var(--navy); position:sticky; top:0; }
.pill { display:inline-block; padding:2px 8px; border-radius:10px; font-size:.78rem; background:var(--pale); color:var(--navy); }
.pill.on { background:#e3f3e8; color:#1b7a3a; }
.pill.added { background:#fff3d6; color:#8a5a00; }
.toolbar { display:flex; gap:10px; flex-wrap:wrap; align-items:center; margin-bottom:14px; }
.toolbar input { flex:1; min-width:200px; }
.grid2 { display:grid; grid-template-columns:1fr 1fr; gap:0 16px; }
@media (max-width:640px) { .grid2 { grid-template-columns:1fr; } }
.stats { display:flex; gap:16px; flex-wrap:wrap; margin-bottom:12px; }
.stat { background:var(--pale); border-radius:10px; padding:10px 16px; }
.stat b { display:block; font-size:1.4rem; color:var(--navy); }
.small { font-size:.85rem; }