:root{--auth-deep:#06271c;--auth-dark:#0d3b2a;--auth-green:#1f754d;--auth-gold:#d4af37;--auth-ink:#17231d;--auth-muted:#66756d}
html{min-height:100%;background:var(--auth-deep)}*{box-sizing:border-box}
body.auth-page{margin:0;min-height:100vh;min-height:100dvh;display:grid;place-items:center;padding:20px;color:var(--auth-ink);font-family:Inter,"Segoe UI",Arial,sans-serif;background:radial-gradient(circle at 82% 10%,rgba(212,175,55,.2),transparent 25%),radial-gradient(circle at 8% 92%,rgba(53,155,105,.25),transparent 30%),linear-gradient(135deg,#061f17,#0d3b2a 54%,#176644);overflow-x:hidden}
.auth-card{width:min(460px,100%);height:auto;min-height:0;overflow:hidden;border:1px solid rgba(255,255,255,.24);border-radius:20px;background:#fff;box-shadow:0 26px 75px rgba(0,0,0,.34);animation:authCardIn .4s ease-out}.auth-card.auth-register{width:min(650px,100%)}
.auth-panel{position:relative;padding:34px 38px 30px;background:linear-gradient(180deg,#fff,#fbfdfc)}.auth-panel:before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:linear-gradient(90deg,var(--auth-gold),#f3dc86)}
.auth-brand{display:flex;align-items:center;gap:13px;margin-bottom:24px;padding-bottom:19px;border-bottom:1px solid #e4ebe7}.auth-logo{width:56px;height:56px;flex:0 0 56px;object-fit:contain;border:2px solid var(--auth-gold);border-radius:14px;background:#fff;box-shadow:0 7px 18px rgba(13,59,42,.12)}.auth-school{margin:0;color:var(--auth-deep);font-size:15px;font-weight:900;line-height:1.3}.auth-portal{display:block;margin-top:4px;color:var(--auth-green);font-size:10px;font-weight:900;letter-spacing:.1em;text-transform:uppercase}
.auth-eyebrow{margin:0 0 7px;color:var(--auth-green);font-size:11px;font-weight:900;letter-spacing:.12em;text-transform:uppercase}.auth-panel h1,.auth-panel h2{margin:0 0 8px;color:var(--auth-deep);font-size:29px;line-height:1.15;letter-spacing:-.025em}.auth-intro{margin:0 0 20px;color:var(--auth-muted);font-size:13px;line-height:1.55}
.auth-fields{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}.auth-full{grid-column:1/-1}.auth-field{margin-bottom:14px}.auth-field label{display:block;margin:0 0 6px;color:#2e4238;font-size:12px;font-weight:800}.auth-field input{width:100%;min-height:46px;padding:11px 13px;border:1px solid #cbd8d1;border-radius:9px;outline:none;color:var(--auth-ink);background:#fff;font:inherit;transition:border-color .2s,box-shadow .2s}.auth-field input:focus{border-color:var(--auth-green);box-shadow:0 0 0 4px rgba(31,117,77,.12)}
.auth-action{width:100%;min-height:48px;margin-top:3px;border:0;border-radius:10px;color:#fff;background:linear-gradient(135deg,var(--auth-green),var(--auth-dark));cursor:pointer;font-size:14px;font-weight:900;box-shadow:0 10px 22px rgba(23,102,68,.22);transition:transform .18s,box-shadow .18s}.auth-action:hover{transform:translateY(-2px);box-shadow:0 14px 27px rgba(23,102,68,.28)}.auth-action:active{transform:none}.auth-action:disabled,.auth-action.loading{pointer-events:none;opacity:.78}.auth-action.loading:before{content:"";display:inline-block;width:13px;height:13px;margin-right:8px;border:2px solid #ffffff66;border-top-color:#fff;border-radius:50%;vertical-align:-2px;animation:authSpin .65s linear infinite}
.auth-error{margin-bottom:15px;padding:11px 13px;border-left:4px solid #dc2626;border-radius:7px;color:#991b1b;background:#fef2f2;font-size:12px}.auth-links{margin:16px 0 0;text-align:center;font-size:12px}.auth-links.secondary{margin-top:11px}.auth-links a{color:var(--auth-green);font-weight:800;text-decoration:none}.auth-links.secondary a{color:#718078}.auth-links a:hover{text-decoration:underline}
@keyframes authCardIn{from{opacity:0;transform:translateY(12px) scale(.985)}to{opacity:1;transform:none}}@keyframes authSpin{to{transform:rotate(360deg)}}
@media(max-width:600px){body.auth-page{padding:14px}.auth-panel{padding:30px 24px 26px}.auth-card{border-radius:17px}.auth-fields{grid-template-columns:1fr}.auth-full{grid-column:auto}.auth-panel h1,.auth-panel h2{font-size:26px}}
@media(max-height:680px){body.auth-page{display:block;overflow-y:auto}.auth-card{margin:12px auto}.auth-panel{padding:25px 30px 23px}.auth-brand{margin-bottom:16px;padding-bottom:14px}.auth-logo{width:48px;height:48px;flex-basis:48px}.auth-intro{margin-bottom:14px}.auth-field{margin-bottom:10px}.auth-field input{min-height:42px}.auth-action{min-height:44px}}
@media(prefers-reduced-motion:reduce){.auth-card,.auth-action,.auth-field input{animation:none!important;transition:none!important}}