/* IUK Student Portal — multi-step signup */
[hidden]{display:none!important}
:root{
  --blue:#23618e; --teal:#285C77; --teal-d:#1b4257; --gold:#f9c700;
  --ink:#16232e; --muted:#5f6f7c; --line:#dfe6ec; --soft:#f4f7fa;
  --ok:#14804a; --ok-bg:#ecf8f1; --err:#b42318; --err-bg:#fef3f2;
  --r:10px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;min-height:100vh;font-family:'Mulish',system-ui,-apple-system,'Segoe UI',sans-serif;
  color:var(--ink);font-size:15px;line-height:1.5;
  background:radial-gradient(1200px 600px at 85% -10%,rgba(249,199,0,.14),transparent 60%),
             linear-gradient(160deg,var(--blue) 0%,var(--teal) 55%,var(--teal-d) 100%);
  background-attachment:fixed;
}
.su-wrap{display:flex;justify-content:center;padding:clamp(12px,4vw,40px) 12px}
.su-card{width:100%;max-width:560px;background:#fff;border-radius:16px;overflow:hidden;
  box-shadow:0 24px 60px rgba(8,30,45,.35);animation:rise .45s ease-out both}
@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

/* Header */
.su-head{padding:22px 24px 0;border-bottom:1px solid var(--line)}
.su-brand{display:flex;align-items:center;gap:12px}
.su-brand-mark{width:42px;height:42px;border-radius:10px;display:grid;place-items:center;
  background:var(--teal);color:var(--gold);font-size:22px;flex-shrink:0}
.su-brand-name{font-weight:800;font-size:16px;color:var(--teal-d);line-height:1.2}
.su-brand-sub{font-size:13px;color:var(--muted)}

.su-steps{list-style:none;margin:20px 0 0;padding:0;display:flex;justify-content:space-between}
.su-steps li{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;
  font-size:12px;color:var(--muted);position:relative}
.su-steps li span{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;
  font-weight:700;font-size:13px;background:var(--soft);border:2px solid var(--line);
  transition:all .25s;position:relative;z-index:1}
.su-steps li em{font-style:normal;font-weight:600}
.su-steps li.is-active span{background:var(--teal);border-color:var(--teal);color:#fff;
  box-shadow:0 0 0 4px rgba(40,92,119,.15)}
.su-steps li.is-active{color:var(--teal-d)}
.su-steps li.is-done span{background:var(--gold);border-color:var(--gold);color:var(--teal-d)}
.su-steps li.is-done span{font-size:0}
.su-steps li.is-done span::before{content:"\F26E";font-family:bootstrap-icons;font-size:16px}
.su-bar{height:3px;background:var(--line);margin:16px -24px 0}
.su-bar-fill{height:100%;width:25%;background:linear-gradient(90deg,var(--teal),var(--gold));transition:width .35s}

/* Body */
.su-body{padding:24px}
.su-title{margin:0 0 4px;font-size:20px;font-weight:800;color:var(--teal-d)}
.su-lead{margin:0 0 20px;color:var(--muted);font-size:14px}
.su-step{animation:fade .3s ease-out}
@keyframes fade{from{opacity:0;transform:translateX(10px)}to{opacity:1;transform:none}}

.su-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.su-field{margin-bottom:16px;min-width:0}
.su-field label{display:block;font-weight:700;font-size:13px;margin-bottom:6px;color:var(--ink)}
.su-g{color:#4285f4;font-size:11px;margin-left:2px}
input[type=text],input[type=email],input[type=tel],input[type=password],input[type=date],select{
  width:100%;height:46px;padding:0 13px;font:inherit;font-size:15px;color:var(--ink);
  background:#fff;border:1.5px solid var(--line);border-radius:var(--r);
  transition:border-color .2s,box-shadow .2s;-webkit-appearance:none;appearance:none}
select{background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235f6f7c' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 13px center;padding-right:36px}
input:focus,select:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(40,92,119,.14)}
input::placeholder{color:#9aa8b3}
input.caps{text-transform:uppercase}
input.caps::placeholder{text-transform:none}
input.is-locked{background:var(--soft);color:var(--teal-d);font-weight:700;cursor:default;border-style:dashed}
input.is-locked:focus{box-shadow:none;border-color:var(--line)}
.is-invalid input,.is-invalid select{border-color:var(--err)}
.su-err{color:var(--err);font-size:12.5px;margin-top:5px;display:none}
.is-invalid .su-err{display:block}
.su-hint{font-size:12.5px;color:var(--muted);margin-top:6px}
.su-note{font-size:12.5px;color:var(--muted);margin:-6px 0 18px;display:flex;gap:6px}

/* Email + verify */
.su-input-icon{position:relative}
.su-input-icon>i{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--muted)}
.su-input-icon input{padding-left:38px;padding-right:92px;height:50px;font-size:16px}
.su-verify-btn{position:absolute;right:6px;top:6px;bottom:6px;padding:0 14px;border:0;border-radius:8px;
  background:var(--teal);color:#fff;font:inherit;font-weight:700;font-size:13px;cursor:pointer}
.su-verify-btn:disabled{opacity:.5;cursor:default}
.su-input-icon.is-ok input{border-color:var(--ok);padding-right:42px}
.su-input-icon.is-ok .su-verify-btn{display:none}
.su-input-icon.is-ok::after{content:"\F26A";font-family:bootstrap-icons;position:absolute;right:14px;top:50%;
  transform:translateY(-50%);color:var(--ok);font-size:19px}

.su-verify{border-radius:12px;padding:14px 16px;display:flex;gap:12px;align-items:flex-start;font-size:14px}
.su-verify.is-loading{background:var(--soft);color:var(--muted);align-items:center}
.su-verify.is-ok{background:var(--ok-bg);border:1px solid #b7e4c7}
.su-verify.is-err{background:var(--err-bg);border:1px solid #fecdca;color:#7a271a}
.su-verify .su-avatar{width:44px;height:44px;border-radius:50%;background:var(--teal);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:16px;flex-shrink:0}
.su-verify .su-who{font-weight:800;color:var(--ink);font-size:15px}
.su-verify .su-small{font-size:12.5px;color:var(--muted);word-break:break-all}
.su-verify .su-tag{display:inline-flex;gap:5px;align-items:center;margin-top:4px;font-size:12px;font-weight:700;color:var(--ok)}
.su-spin{width:18px;height:18px;border:2.5px solid var(--line);border-top-color:var(--teal);border-radius:50%;animation:spin .7s linear infinite;flex-shrink:0}
@keyframes spin{to{transform:rotate(360deg)}}

/* Review */
.su-review{margin:0 0 20px;padding:14px 16px;background:var(--soft);border-radius:12px;
  display:grid;grid-template-columns:auto 1fr;gap:6px 16px;font-size:13.5px}
.su-review dt{color:var(--muted)}
.su-review dd{margin:0;font-weight:700;text-align:right;word-break:break-word}
.su-review .su-edit{grid-column:1/-1;text-align:right;font-size:12.5px}
.su-review .su-edit button{background:none;border:0;color:var(--blue);font:inherit;font-weight:700;cursor:pointer;padding:0;margin-left:12px}

/* Password */
.su-pw{position:relative}
.su-pw input{padding-right:46px}
.su-eye{position:absolute;right:4px;top:4px;width:38px;height:38px;border:0;background:none;color:var(--muted);cursor:pointer;font-size:17px}
.su-checks{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:6px 14px;font-size:12.5px;color:var(--muted)}
.su-checks li::before{content:"\F28A";font-family:bootstrap-icons;margin-right:5px}
.su-checks li.ok{color:var(--ok)}
.su-checks li.ok::before{content:"\F26B"}
.su-check{display:flex;align-items:center;gap:8px;font-size:14px;cursor:pointer}
.su-check input{width:18px;height:18px;accent-color:var(--teal)}

/* Nav */
.su-nav{display:flex;gap:10px;margin-top:24px}
.su-btn{height:48px;padding:0 20px;border-radius:var(--r);border:0;font:inherit;font-weight:800;font-size:15px;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;touch-action:manipulation;transition:transform .15s,box-shadow .15s,opacity .15s}
.su-btn-primary{flex:1;background:var(--teal);color:#fff}
.su-btn-primary:hover:not(:disabled){box-shadow:0 8px 18px rgba(40,92,119,.3);transform:translateY(-1px)}
.su-btn-primary:disabled{opacity:.45;cursor:not-allowed}
.su-btn-ghost{background:var(--soft);color:var(--teal-d)}
.su-btn[hidden]{display:none}
.su-btn.is-busy{pointer-events:none;opacity:.7}

/* Alerts + footer */
.su-alert{display:flex;gap:10px;padding:12px 14px;border-radius:10px;margin-bottom:18px;font-size:14px}
.su-alert i{font-size:18px;line-height:1.2}
.su-alert-err{background:var(--err-bg);color:#7a271a;border-left:4px solid var(--err)}
.su-alert-ok{background:var(--ok-bg);color:#0b4f2c;border-left:4px solid var(--ok)}
.su-foot{padding:16px 24px;border-top:1px solid var(--line);text-align:center;font-size:14px;color:var(--muted);background:#fbfcfd}
.su-foot a{color:var(--blue);font-weight:800;text-decoration:none}

@media (max-width:480px){
  .su-head{padding:18px 16px 0}.su-bar{margin:14px -16px 0}
  .su-body{padding:20px 16px}
  .su-row{grid-template-columns:1fr;gap:0}
  .su-steps li em{font-size:11px}
  .su-nav{position:sticky;bottom:0;background:#fff;margin:20px -16px -20px;padding:12px 16px;
    border-top:1px solid var(--line);box-shadow:0 -6px 16px rgba(0,0,0,.05)}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.su-link{background:none;border:0;padding:0;font:inherit;font-weight:800;color:var(--blue);text-decoration:underline;cursor:pointer}
@media (max-width:400px){.su-steps li em{font-size:10px;letter-spacing:-.1px}.su-steps li span{width:26px;height:26px}}
.su-btn{white-space:nowrap}
@media (max-width:400px){.su-btn{padding:0 14px;font-size:14.5px}}

/* Admission record lookup */
.su-adm{margin-top:18px;border:1.5px solid var(--line);border-radius:12px;padding:16px;background:#fbfcfd}
.su-adm-head{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px}
.su-adm-head>i{font-size:22px;color:var(--teal);line-height:1}
.su-adm-head strong{display:block;color:var(--teal-d);font-size:15px}
.su-adm-head span{font-size:13px;color:var(--muted)}
.su-adm .su-field{margin-bottom:12px}
.su-btn-block{width:100%;height:44px}
#admBox{margin-top:12px}
.su-skip{margin:12px 0 0;font-size:12.5px;color:var(--muted);text-align:center}
.su-adm-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.su-chip{display:inline-block;padding:2px 9px;border-radius:999px;background:#fff;border:1px solid #b7e4c7;font-size:11.5px;font-weight:700;color:var(--teal-d)}
select.is-locked{background-color:var(--soft);color:var(--teal-d);font-weight:700;border-style:dashed;pointer-events:none}
.su-lock{color:var(--muted);font-size:11px;margin-left:3px}
.su-verify.is-info{background:#eef5fa;border:1px solid #cfe0ec;color:var(--teal-d)}