:root{--il-red:#990b20;--il-red-deep:#830819;--il-ink:#111722;--il-muted:#667083;--il-border:#d9dee6}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body.il-auth{margin:0;min-height:100vh;background:#fff;color:var(--il-ink);font-family:Inter,'Segoe UI',Arial,sans-serif}
.il-auth-shell{min-height:100vh;display:flex;flex-direction:column;overflow:hidden}
.il-auth-header{position:relative;z-index:3;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:82px;padding:10px clamp(24px,4vw,64px);border-bottom:1px solid #e2e4e7;background:#fff}
.il-auth-brand{display:inline-flex;align-items:center;gap:13px;color:#12151d;text-decoration:none;white-space:nowrap}.il-auth-brand img{width:68px;height:62px;object-fit:contain}.il-auth-brand span{font-family:inherit;font-size:clamp(25px,2.2vw,35px);font-weight:800;letter-spacing:-.04em}.il-auth-brand b{color:var(--il-red)}
.il-auth-nav{display:flex;align-items:center;gap:clamp(14px,2.2vw,32px)}.il-auth-nav a{color:#485366;text-decoration:none;font-size:.9rem;font-weight:600;white-space:nowrap}.il-auth-nav a:hover,.il-auth-nav a:focus-visible{color:var(--il-red)}.il-auth-nav-divider{height:27px;width:1px;background:#d6d9e0}
.il-auth-main{position:relative;display:flex;flex:1;align-items:center;isolation:isolate;background:radial-gradient(ellipse 520px 480px at 97% 12%,rgba(200,37,56,.10),transparent 75%),#fff;overflow:hidden}
.il-auth-main::before{position:absolute;z-index:-1;content:"";width:1020px;height:670px;right:-370px;top:-310px;border:115px solid rgba(180,28,48,.12);border-radius:50%;transform:rotate(18deg)}
.il-auth-main::after{position:absolute;z-index:-1;content:"";width:400px;height:400px;left:-260px;bottom:-230px;border:72px solid rgba(176,23,44,.09);border-radius:50%}
.il-auth-campus{position:absolute;z-index:-1;left:-12px;bottom:0;width:min(68%,1080px);height:245px;background:url('/images/campus-outline.svg') left bottom/contain no-repeat;opacity:.42;pointer-events:none}
.il-auth-content{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) minmax(420px,600px);align-items:center;gap:clamp(38px,3vw,70px);width:min(1480px,calc(100% - 8vw));margin:0 auto;padding:70px 0 92px;transform:translateY(-20px)}
.il-auth-intro{min-width:0;transform:translateY(-25px)}.il-auth-rule{display:block;width:62px;height:3px;margin-bottom:25px;background:#a5001b}
.il-auth-intro h1{margin:0;color:#0c111b;font-size:clamp(48px,5vw,80px);font-weight:850;letter-spacing:-.055em;line-height:1.05}.il-auth-intro h1 span{color:var(--il-red)}
.il-auth-lead{max-width:630px;margin:22px 0 0;color:var(--il-muted);font-size:clamp(17px,1.45vw,23px);line-height:1.55}
.il-auth-features{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:45px}.il-auth-features>div{min-width:0}.il-auth-feature-icon{display:grid;place-items:center;width:72px;height:72px;margin-bottom:14px;border-radius:50%;background:#fbe9eb;color:var(--il-red)}.il-auth-feature-icon .nav-icon{width:34px;height:34px}.il-auth-features strong{display:block;font-size:1rem;line-height:1.25}.il-auth-features p{max-width:215px;margin:9px 0 0;color:var(--il-muted);font-size:.9rem;line-height:1.45}
.il-auth-card-column{min-width:0;transform:translateY(25px)}
.il-auth-card{width:100%;min-width:0;min-height:570px;border:1px solid rgba(224,228,233,.8);border-radius:15px;background:#fff;padding:clamp(30px,3vw,50px);box-shadow:0 21px 55px rgba(54,41,47,.11)}
.il-auth-login .il-auth-card{min-height:0}
.il-auth-copyright{margin:20px 0 0;color:#7d8693;font-size:.72rem;text-align:center}
.il-auth-card h2{margin:0;color:#080d17;font-size:clamp(32px,2.75vw,44px);font-weight:800;letter-spacing:-.045em;line-height:1.15}.il-auth-card-lead{margin:13px 0 42px;color:var(--il-muted);font-size:1rem;line-height:1.4}
.il-auth-field{display:block;margin-bottom:22px}.il-auth-field>span:first-child{display:block;margin-bottom:8px;font-size:.96rem;font-weight:700}.il-auth-input-wrap{position:relative;display:flex;align-items:center}.il-auth-input-wrap>svg{position:absolute;left:18px;width:25px;height:25px;color:#536074;pointer-events:none}.il-auth-input-wrap input{display:block;width:100%;height:62px;border:1px solid #cdd4de;border-radius:8px;background:#fff;padding:0 18px 0 60px;color:#1b2633;font:inherit;font-size:1rem;outline:none}.il-auth-input-wrap input::placeholder{color:#8590a0}.il-auth-input-wrap input:focus,.il-auth-digit:focus{border-color:#ae273a;box-shadow:0 0 0 3px rgba(153,11,32,.11)}.il-auth-input-wrap input[disabled]{background:#f7f8fa;color:#697488}.il-auth-input-wrap.has-toggle input{padding-right:56px}
.il-auth-reveal{position:absolute;right:9px;display:grid;place-items:center;width:42px;height:42px;border:0;border-radius:6px;background:transparent;color:#546074;cursor:pointer}.il-auth-reveal:hover{background:#f7e9eb;color:var(--il-red)}.il-auth-reveal svg{width:22px;height:22px}
.il-auth-submit{display:flex;align-items:center;justify-content:center;gap:18px;width:100%;min-height:62px;border:0;border-radius:7px;background:linear-gradient(100deg,#a00b21,#8c0a1e);color:#fff;font:inherit;font-size:1.08rem;font-weight:700;cursor:pointer;box-shadow:0 8px 16px rgba(153,11,32,.11)}.il-auth-submit:hover{background:#790718}.il-auth-submit:focus-visible,.il-auth-reveal:focus-visible,.il-auth-nav a:focus-visible{outline:3px solid rgba(153,11,32,.25);outline-offset:2px}
.il-auth-guide{display:flex;align-items:center;gap:18px;margin:34px 0;color:var(--il-muted);font-size:.89rem;text-align:center;white-space:nowrap}.il-auth-guide::before,.il-auth-guide::after{content:"";height:1px;flex:1;background:#d9dee5}.il-auth-card-help{text-align:center;color:var(--il-muted);font-size:.91rem}.il-auth-card-help a{color:var(--il-red);font-weight:700;text-decoration:none}.il-auth-card-help a:hover{text-decoration:underline}
.il-auth-login .il-auth-guide{margin-bottom:0}
.il-auth-feedback{border:1px solid #f3cbd1;border-radius:8px;background:#fff2f3;color:#87101f;padding:12px 14px;margin:0 0 22px;font-size:.85rem;line-height:1.4}.il-auth-feedback.success{border-color:#b7dfc5;background:#effaf2;color:#16673b}
.il-auth-local-link{display:block;margin:-5px 0 20px;padding:10px;border:1px solid #d3d8df;border-radius:7px;color:var(--il-red);text-align:center;text-decoration:none;font-size:.85rem;font-weight:700}
.il-auth-secondary{display:inline-block;margin-top:20px;color:var(--il-red);font-size:.85rem;font-weight:700;text-decoration:none}.il-auth-secondary:hover{text-decoration:underline}
.il-auth-code{display:flex;justify-content:space-between;gap:8px;margin:18px 0 22px}.il-auth-digit{width:calc((100% - 40px)/6);min-width:0;height:60px;border:1px solid #cdd4de;border-radius:8px;background:#fff;color:#172033;text-align:center;font:inherit;font-size:1.35rem;font-weight:750;outline:none}.il-auth-code-label{display:block;font-size:.96rem;font-weight:700}.il-auth-otp-actions{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:17px}.il-auth-otp-actions .il-auth-secondary{display:inline-flex;align-items:center;min-height:32px;margin-top:0}.il-auth-otp-actions form{display:flex;align-items:center;margin:0}.il-auth-otp-actions button{display:inline-flex;align-items:center;min-height:32px;border:0;background:transparent;padding:0;color:var(--il-red);font:inherit;font-size:.85rem;font-weight:700;cursor:pointer}
.il-auth-otp-actions .il-auth-secondary,.il-auth-otp-actions button{min-height:32px;border-radius:.45rem;padding:.35rem .5rem;color:#a10d26;font-size:.73rem;font-weight:700;text-decoration:none;white-space:nowrap}
.il-auth-otp-actions .il-auth-secondary:hover,.il-auth-otp-actions button:hover{color:#870b1e;background:#fff0f2;text-decoration:none;transform:none!important;filter:none!important;box-shadow:none!important}
.il-auth-otp-actions .il-auth-secondary:focus-visible,.il-auth-otp-actions button:focus-visible{outline:2px solid #a10d26;outline-offset:-2px}
@media(max-width:1120px){.il-auth-content{grid-template-columns:minmax(0,1fr) minmax(385px,480px);gap:35px}.il-auth-features{gap:12px}.il-auth-features p{font-size:.79rem}.il-auth-feature-icon{width:58px;height:58px}.il-auth-feature-icon .nav-icon{width:27px;height:27px}}
@media(max-width:900px){.il-auth-content{grid-template-columns:1fr;gap:34px;padding:45px 0 60px;transform:none}.il-auth-intro{transform:none}.il-auth-intro h1{font-size:clamp(42px,7vw,64px)}.il-auth-card-column{width:100%;max-width:610px;justify-self:center;transform:none}.il-auth-card{min-height:0}.il-auth-campus{width:100%;opacity:.22}.il-auth-features{margin-top:25px}.il-auth-nav{gap:15px}.il-auth-nav a{font-size:.8rem}}
@media(max-width:620px){.il-auth-header{min-height:72px;padding:8px 18px}.il-auth-brand img{width:48px;height:50px}.il-auth-brand span{font-size:22px}.il-auth-nav a:first-child,.il-auth-nav-divider,.il-auth-nav a:last-child{display:none}.il-auth-content{width:calc(100% - 36px);padding:32px 0 48px}.il-auth-intro h1{font-size:clamp(39px,10vw,52px)}.il-auth-lead{font-size:1rem;margin-top:13px}.il-auth-features{gap:8px}.il-auth-feature-icon{width:44px;height:44px;margin-bottom:8px}.il-auth-feature-icon .nav-icon{width:21px;height:21px}.il-auth-features strong{font-size:.75rem}.il-auth-features p{font-size:.69rem;line-height:1.35;margin-top:4px}.il-auth-card{padding:26px 22px}.il-auth-card h2{font-size:2rem}.il-auth-card-lead{margin-bottom:26px;font-size:.89rem}.il-auth-input-wrap input,.il-auth-submit{height:54px;min-height:54px}.il-auth-guide{font-size:.72rem;gap:8px;white-space:normal}}
@media(max-width:360px){.il-auth-features{grid-template-columns:1fr}.il-auth-features>div{display:grid;grid-template-columns:36px 1fr;column-gap:8px}.il-auth-feature-icon{width:34px;height:34px;grid-row:1 / span 2}.il-auth-feature-icon .nav-icon{width:18px;height:18px}.il-auth-features p{max-width:none}.il-auth-digit{height:48px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}