/* DSCD Datathon registration — palette sampled from the forum site */
:root {
  --bg: #F1F6E7;
  --mint: #A7D4B3;
  --mint-d: #7FC6B3;
  --mint-soft: #E1EFDB;
  --indigo: #413C7B;
  --indigo-d: #34306A;
  --logo: #3A3F81;
  --red: #B12E21;
  --ink: #2C2858;
  --muted: #66638A;
  --line: #D6DCC4;
  --card: #FFFFFF;
  --ok: #2F7A4F;
  --radius: 14px;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: "IBM Plex Sans Arabic", system-ui, -apple-system, "Segoe UI", Tahoma, sans-serif;
  font-size: 16px; line-height: 1.6;
}
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 32px; } }
a { color: var(--indigo); }
.vh { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; opacity: 0; }
.hp { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
[hidden] { display: none !important; }

/* ---------- header ---------- */
.top { background: var(--bg); }
.top-in { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 92px; padding-top: 14px; padding-bottom: 14px; }
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; color: var(--logo); }
.logo { width: 58px; height: 58px; flex: none; display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text .ar { font-size: 15px; font-weight: 500; letter-spacing: .2px; }
.brand-text .en { font-size: 12.5px; font-weight: 500; direction: ltr; text-align: start; margin-top: 3px; font-family: "IBM Plex Sans Arabic", system-ui, sans-serif; }
[dir="rtl"] .brand-text .en { text-align: right; }
.brand-text .en b { font-weight: 700; margin-inline-start: 4px; }
.lang {
  display: inline-flex; align-items: center; justify-content: center; min-width: 44px; height: 40px; padding: 0 12px;
  border: 1.5px solid var(--indigo); border-radius: 999px; color: var(--indigo); text-decoration: none;
  font-weight: 600; font-size: 15px; background: transparent; cursor: pointer; font-family: inherit;
}
.lang:hover, .lang:focus-visible { background: var(--indigo); color: #fff; }
.lang.wide { padding: 0 16px; }
@media (min-width: 720px) { .logo { width: 76px; height: 76px; } .brand-text .ar { font-size: 17px; } .brand-text .en { font-size: 14px; } }

/* ---------- bands ---------- */
.band-mint { background: var(--mint); }
.band-title { margin: 0; padding: 26px 0; color: var(--bg); font-weight: 700; font-size: clamp(30px, 7vw, 54px); line-height: 1.2; }
.band-title.sm { font-size: clamp(22px, 5vw, 32px); padding: 16px 0; }
.band-indigo { background: var(--indigo); color: #fff; padding: 34px 0 38px; }
.hero { margin: 0; font-size: clamp(24px, 5.4vw, 40px); font-weight: 700; line-height: 1.35; }
.mint { color: var(--mint); }
.rule { border: 0; border-top: 2px solid var(--red); margin: 18px 0 16px; }
.hero-sub { margin: 0 0 18px; font-size: clamp(16px, 3.6vw, 20px); font-weight: 500; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 22px;
  border-radius: 10px; border: 0; font: inherit; font-weight: 600; font-size: 15.5px; text-decoration: none; cursor: pointer;
}
.btn-mint { background: var(--mint); color: var(--indigo-d); }
.btn-mint:hover { background: #98cba6; }
.btn-indigo { background: var(--indigo); color: #fff; }
.btn-indigo:hover { background: var(--indigo-d); }
.btn:focus-visible, .lang:focus-visible { outline: 3px solid var(--red); outline-offset: 2px; }
.btn-lg { min-height: 56px; font-size: 18px; width: 100%; position: relative; overflow: hidden; }
@media (min-width: 720px) { .btn-lg { width: auto; min-width: 300px; } }
.btn[disabled] { opacity: .85; cursor: progress; }
.prog { position: absolute; inset: auto 0 0 0; height: 5px; background: rgba(255,255,255,.18); display: none; }
.prog .bar { display: block; height: 100%; width: 0; background: var(--mint); transition: width .2s; }
.busy .prog { display: block; }

/* ---------- form ---------- */
.main { padding-top: 28px; padding-bottom: 48px; }
.reg { display: flex; flex-direction: column; gap: 18px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 16px 8px; margin: 0; min-width: 0; }
@media (min-width: 720px) { .card { padding: 26px 28px 12px; } }
fieldset.card { border: 1px solid var(--line); }
.card-h { display: flex; align-items: center; gap: 10px; float: inline-start; width: 100%; padding: 0; margin: 0 0 16px; font-size: 19px; font-weight: 700; color: var(--indigo); }
.card-h + * { clear: both; }
.step { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--mint); color: var(--indigo-d); font-size: 15px; font-weight: 700; flex: none; }
.sub-h { margin: 18px 0 8px; font-weight: 600; }
.hint-inline { color: var(--muted); font-weight: 400; font-size: 14px; }

.choice2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; clear: both; }
.opt { position: relative; cursor: pointer; }
.opt input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.opt-box {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; min-height: 96px;
  border: 1.5px solid var(--line); border-radius: 12px; background: var(--bg); color: var(--indigo); font-weight: 600; font-size: 17px;
  transition: border-color .15s, background .15s;
}
.opt input:checked + .opt-box { border-color: var(--indigo); background: var(--indigo); color: #fff; }
.opt input:focus-visible + .opt-box { outline: 3px solid var(--red); outline-offset: 2px; }
.countbox[data-hidden] { display: none; }
.pills { display: flex; gap: 10px; flex-wrap: wrap; }
.pill { position: relative; cursor: pointer; }
.pill input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.pill span { display: inline-flex; align-items: center; min-height: 44px; padding: 0 22px; border-radius: 999px; border: 1.5px solid var(--line); background: var(--bg); color: var(--indigo); font-weight: 600; }
.pill input:checked + span { background: var(--mint); border-color: var(--mint-d); color: var(--indigo-d); }
.pill input:focus-visible + span { outline: 3px solid var(--red); outline-offset: 2px; }

.grid { display: grid; grid-template-columns: 1fr; gap: 0 20px; clear: both; }
@media (min-width: 720px) { .grid { grid-template-columns: 1fr 1fr; } .grid > .field:first-child:not(.file-field) { grid-column: 1 / -1; } }
.field { margin-bottom: 10px; min-width: 0; }
.field label, .flabel { display: block; font-weight: 600; font-size: 15px; margin-bottom: 6px; color: var(--ink); }
.field input[type=text], .field input[type=tel], .field input[type=email], .field input[type=password] {
  width: 100%; height: 50px; padding: 0 14px; font: inherit; font-size: 16px; color: var(--ink);
  background: #FBFCF7; border: 1.5px solid #C9D0B5; border-radius: 10px; outline: none; transition: border-color .15s, box-shadow .15s;
}
.field input::placeholder { color: #9A98B4; }
.field input:focus { border-color: var(--indigo); box-shadow: 0 0 0 3px rgba(65,60,123,.15); background: #fff; }
.field input.ltr { direction: ltr; text-align: left; }
[dir="rtl"] .field input.ltr::placeholder { text-align: right; }
[dir="rtl"] .field input.ltr:not(:placeholder-shown) { text-align: left; }
.hint { margin: 5px 0 0; font-size: 13px; color: var(--muted); line-height: 1.5; }
.err { margin: 4px 0 0; min-height: 0; font-size: 13.5px; color: var(--red); font-weight: 500; line-height: 1.5; }
.err:empty { display: none; }
.has-err input[type=text], .has-err input[type=tel], .has-err input[type=email], .has-err input[type=password] { border-color: var(--red); background: #FFF7F5; }
.has-err .filebox { border-color: var(--red); background: #FFF7F5; }

.files { margin-top: 6px; }
.field .filebox {
  display: flex; align-items: center; gap: 14px; min-height: 82px; padding: 10px 12px; cursor: pointer;
  border: 1.5px dashed #B9C2A2; border-radius: 12px; background: var(--bg); transition: border-color .15s, background .15s;
}
.filebox:hover { border-color: var(--indigo); }
.filebox:focus-within { border-color: var(--indigo); box-shadow: 0 0 0 3px rgba(65,60,123,.15); }
.fthumb { width: 60px; height: 60px; border-radius: 10px; background: var(--mint-soft); color: var(--indigo); display: grid; place-items: center; flex: none; overflow: hidden; }
.fthumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.fthumb .doc { font-weight: 700; font-size: 13px; }
.fmeta { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.fbtn { color: var(--indigo); font-weight: 700; }
.fname { color: var(--muted); font-size: 13.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; direction: ltr; text-align: start; unicode-bidi: plaintext; }
.file-field.chosen .filebox { border-style: solid; border-color: var(--mint-d); background: #F4FAF3; }
.file-field.has-err .filebox, .file-field.chosen.has-err .filebox { border-color: var(--red); background: #FFF7F5; }

.member[data-off] { display: none; }
.js .nojs { display: none; }
.nojs { margin: 0 0 12px; color: var(--muted); font-size: 14px; clear: both; }

.summary { background: #FCEDEA; border: 1px solid #EBC0B8; color: var(--red); border-radius: 12px; padding: 14px 16px; font-weight: 600; }
.submit-row { display: flex; flex-direction: column; gap: 12px; align-items: stretch; margin-top: 4px; }
@media (min-width: 720px) { .submit-row { align-items: flex-start; } }
.privacy { margin: 0; display: flex; gap: 8px; align-items: flex-start; color: var(--muted); font-size: 13.5px; }
.privacy svg { flex: none; margin-top: 3px; }

/* ---------- thanks ---------- */
.thanks { text-align: center; padding: 34px 18px 30px; max-width: 620px; margin: 0 auto; }
.thanks h1 { margin: 10px 0 18px; color: var(--indigo); font-size: clamp(22px, 5vw, 28px); }
.tick { width: 74px; height: 74px; border-radius: 50%; background: var(--mint); color: var(--indigo-d); display: grid; place-items: center; margin: 0 auto; }
.ref-l { margin: 0; color: var(--muted); font-weight: 500; }
.ref { margin: 4px 0; font-size: clamp(34px, 9vw, 48px); font-weight: 700; color: var(--indigo); letter-spacing: 1.5px; }
.ref-type { margin: 0; font-weight: 600; }
.thanks .rule { margin: 22px auto; max-width: 260px; }
.keep { margin: 0 0 22px; color: var(--ink); }

/* ---------- footer ---------- */
.foot { border-top: 1px solid var(--line); padding: 18px 0 26px; color: var(--muted); font-size: 13px; }

/* ---------- admin ---------- */
.narrow { max-width: 460px; }
.login { padding: 28px 22px 22px; }
.login h1 { margin: 0; color: var(--indigo); font-size: 24px; }
.muted { color: var(--muted); margin: 2px 0 18px; }
.inline { display: inline; margin: 0; }
.wide-wrap { max-width: 1280px; }
.admin-bar { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.stats { display: flex; gap: 10px; flex-wrap: wrap; }
.stat { background: var(--indigo); color: #fff; border-radius: 12px; padding: 10px 16px; min-width: 104px; }
.stat b { display: block; font-size: 24px; line-height: 1.1; color: var(--mint); }
.stat span { font-size: 13px; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.actions input[type=search] { height: 46px; min-width: 260px; padding: 0 14px; border: 1.5px solid #C9D0B5; border-radius: 10px; font: inherit; background: #fff; }
.reg-card { margin-bottom: 14px; padding-bottom: 14px; }
.reg-h { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; padding-bottom: 12px; border-bottom: 1px solid var(--line); margin-bottom: 12px; }
.reg-ref { font-weight: 700; font-size: 18px; color: var(--indigo); }
.badge { font-size: 13px; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: var(--mint-soft); color: var(--indigo); }
.badge.group { background: var(--indigo); color: #fff; }
.reg-time { color: var(--muted); font-size: 14px; }
.del { margin-inline-start: auto; }
.link-danger { background: none; border: 0; color: var(--red); font: inherit; font-size: 14px; cursor: pointer; text-decoration: underline; }
.members { display: flex; flex-direction: column; gap: 14px; }
.mrow { display: flex; gap: 16px; align-items: flex-start; flex-wrap: wrap; }
.thumbs { display: flex; gap: 8px; }
.thumbs img { width: 84px; height: 84px; object-fit: cover; border-radius: 10px; border: 1px solid var(--line); display: block; background: var(--mint-soft); }
.thumbs img.card-img { width: 120px; }
.pdf { width: 120px; height: 84px; border-radius: 10px; display: grid; place-items: center; text-align: center; background: var(--mint-soft); color: var(--indigo); font-weight: 700; text-decoration: none; line-height: 1.2; }
.mdata { margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 6px 18px; flex: 1; min-width: 240px; }
.mdata div { min-width: 0; }
.mdata dt { font-size: 12px; color: var(--muted); }
.mdata dd { margin: 0; font-weight: 500; overflow-wrap: anywhere; }
.mdata .mname { grid-column: 1 / -1; display: flex; gap: 8px; align-items: baseline; }
.mdata .mname dt { font-size: 14px; color: var(--indigo); font-weight: 700; }
.mdata .mname dd { font-size: 17px; font-weight: 700; }
.empty { text-align: center; color: var(--muted); padding: 30px; }
.admin .top .wrap { max-width: 1280px; }