/* UDAAN 2026 registration form — matches the UDAAN poster colours. Everything is scoped under .cpsu */
.cpsu { --navy: #1b0f4d; --violet: #3a1c8c; --gold: #ffd23f; --pink: #ee4266; --lit: #0b3c5d; --spo: #1b7f5c; --cul: #c2185b;
  max-width: 820px; margin: 24px auto 48px; padding: 0 14px; font-family: "Segoe UI", "Nirmala UI", Roboto, Arial, sans-serif; color: #1d2433; }
.cpsu * { box-sizing: border-box; }
.cpsu [hidden] { display: none !important; }
.cpsu-hero { border-radius: 22px; padding: 26px 20px 20px; text-align: center; color: #fff;
  background: radial-gradient(ellipse at 50% 120%, rgba(255,210,63,.35), transparent 60%), linear-gradient(135deg, var(--navy), var(--violet) 50%, #0b3c5d);
  box-shadow: 0 5px 0 var(--gold), 0 10px 24px rgba(27,15,77,.25); }
.cpsu-school { margin: 0; font-size: 15px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--gold); }
.cpsu-title { margin: 4px 0 0; font-size: clamp(44px, 11vw, 76px); font-weight: 900; letter-spacing: 6px; line-height: 1;
  background: linear-gradient(180deg, #fff6c9, var(--gold) 45%, #ff9a3c); -webkit-background-clip: text; background-clip: text; color: transparent; }
.cpsu .cpsu-hero p, .cpsu .cpsu-hero span, .cpsu .cpsu-hero small, .cpsu .cpsu-hero b { color: #fff; }
.cpsu .cpsu-hero .cpsu-school { color: var(--gold); }
.cpsu-logo { display: block; width: 88px; height: auto; margin: 0 auto 10px; background: #fff; padding: 4px 6px; border-radius: 14px; border: 3px solid var(--gold); }
.cpsu .cpsu-hero .cpsu-tagline { display: inline-block; margin: 10px 0 0; padding: 5px 16px; border-radius: 30px; background: var(--gold); color: var(--navy); font-size: 16px; font-weight: 800; box-shadow: 0 3px 0 #c99a00; }
.cpsu-sub { margin: 8px 0 0; font-size: 16px; font-weight: 600; }
.cpsu-days { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 16px; }
.cpsu-day { border-radius: 12px; padding: 8px 6px; line-height: 1.25; }
.cpsu-day small { display: block; font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; opacity: .9; }
.cpsu-day b { display: block; font-size: 14px; }
.cpsu-day span { display: block; font-size: 12px; opacity: .95; }
.cpsu-day.cpsu-lit { background: linear-gradient(135deg, #1e88e5, var(--lit)); }
.cpsu-day.cpsu-spo { background: linear-gradient(135deg, #2bb673, var(--spo)); }
.cpsu-day.cpsu-cul { background: linear-gradient(135deg, #ff5c8a, var(--cul)); }

.cpsu-card { background: #fff; border: 1px solid #e6e0f5; border-radius: 18px; padding: 22px 20px; margin-top: 20px; box-shadow: 0 4px 16px rgba(27,15,77,.08); }
.cpsu-card h2 { margin: 0 0 4px; font-size: 22px; color: var(--navy); }
.cpsu-note { margin: 0 0 14px; color: #5b5674; font-size: 14px; }
.cpsu-row { display: flex; flex-wrap: wrap; gap: 12px; }
.cpsu-field { display: flex; flex-direction: column; gap: 5px; font-size: 14px; font-weight: 700; color: #2c2650; margin-bottom: 12px; min-width: 150px; }
.cpsu-grow { flex: 1 1 240px; }
.cpsu input[type=text], .cpsu input[type=tel], .cpsu select, .cpsu textarea {
  font: inherit; font-weight: 500; font-size: 16px; padding: 10px 12px; border: 2px solid #d9d3ee; border-radius: 10px; background: #fcfbff; color: #1d2433; width: 100%; }
.cpsu input:focus, .cpsu select:focus, .cpsu textarea:focus { outline: none; border-color: var(--violet); background: #fff; }
.cpsu-err { font-style: normal; font-weight: 600; font-size: 13px; color: #c62828; min-height: 0; }

.cpsu-events { display: grid; gap: 12px; margin: 6px 0 10px; }
.cpsu-group { border: 2px solid; border-radius: 14px; padding: 10px 12px 12px; margin: 0; }
.cpsu-group legend { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 0 6px; }
.cpsu-gname { font-weight: 800; font-size: 16px; }
.cpsu-gdate { font-size: 12px; font-weight: 700; color: #fff; padding: 2px 10px; border-radius: 10px; }
.cpsu-group.cpsu-lit { border-color: #9cc3e0; } .cpsu-lit .cpsu-gname { color: var(--lit); } .cpsu-lit .cpsu-gdate { background: var(--lit); }
.cpsu-group.cpsu-spo { border-color: #9fdcc4; } .cpsu-spo .cpsu-gname { color: var(--spo); } .cpsu-spo .cpsu-gdate { background: var(--spo); }
.cpsu-group.cpsu-cul { border-color: #f2a9c4; } .cpsu-cul .cpsu-gname { color: var(--cul); } .cpsu-cul .cpsu-gdate { background: var(--cul); }
.cpsu-checks { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 6px 12px; }
.cpsu-check { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 10px; background: #f7f5ff; cursor: pointer; font-size: 15px; font-weight: 600; }
.cpsu-check input { width: 20px; height: 20px; accent-color: var(--violet); flex: none; }
.cpsu-check:has(input:checked) { background: #ece6ff; outline: 2px solid var(--violet); }

.cpsu-hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.cpsu-btn { display: block; width: 100%; margin-top: 8px; padding: 14px; border: 0; border-radius: 30px; cursor: pointer;
  font: inherit; font-size: 18px; font-weight: 800; letter-spacing: 1px; color: #fff; background: var(--pink); box-shadow: 0 4px 0 #9e1a37; }
.cpsu-btn:disabled { opacity: .6; cursor: wait; }
.cpsu-btn-light { background: #fff; color: var(--violet); border: 2px solid var(--violet); box-shadow: none; }
.cpsu-msg { margin: 10px 0 0; font-weight: 700; text-align: center; }
.cpsu-bad { color: #c62828; }

.cpsu-done { text-align: center; }
.cpsu-tick { width: 64px; height: 64px; margin: 0 auto 8px; border-radius: 50%; background: #2bb673; color: #fff; font-size: 38px; line-height: 64px; font-weight: 900; }
.cpsu-reg { font-size: 18px; } .cpsu-reg b { color: var(--violet); letter-spacing: 1px; }
.cpsu-done ul { display: inline-block; text-align: left; margin: 6px auto 14px; padding-left: 20px; font-weight: 600; }
.cpsu-closed { text-align: center; font-weight: 700; font-size: 17px; }

.cpsu-day .cpsu-short { display: none; }

/* Phones: compact banner, full-width fields, one event per row. */
@media (max-width: 560px) {
  .cpsu { margin: 12px auto 32px; padding: 0 10px; }
  .cpsu-hero { padding: 18px 10px 14px; border-radius: 18px; box-shadow: 0 4px 0 var(--gold), 0 6px 16px rgba(27,15,77,.2); }
  .cpsu-school { font-size: 11px; letter-spacing: 1px; }
  .cpsu-title { letter-spacing: 3px; }
  .cpsu-sub { font-size: 13px; }
  .cpsu-logo { width: 68px; margin-bottom: 8px; }
  .cpsu .cpsu-hero .cpsu-tagline { font-size: 13px; padding: 4px 12px; }
  .cpsu-days { gap: 6px; margin-top: 12px; }
  .cpsu-day { padding: 6px 3px; border-radius: 10px; }
  .cpsu-day small { font-size: 9px; letter-spacing: .5px; }
  .cpsu-day b { font-size: 11px; line-height: 1.2; }
  .cpsu-day .cpsu-long { display: none; }
  .cpsu-day .cpsu-short { display: block; font-size: 11px; font-weight: 700; }
  .cpsu-card { padding: 16px 14px; margin-top: 14px; border-radius: 14px; }
  .cpsu-card h2 { font-size: 20px; }
  .cpsu-row { gap: 0; }
  .cpsu-field { flex: 1 1 100%; min-width: 0; margin-bottom: 10px; }
  .cpsu-group { padding: 6px 8px 10px; }
  .cpsu-group legend { flex-direction: column; align-items: flex-start; gap: 3px; }
  .cpsu-checks { grid-template-columns: 1fr; }
  .cpsu-check { padding: 10px; }
}