:root{--ink:#172033;--muted:#667085;--teal:#087f75;--teal-dark:#075f59;--line:#dbe4e8;--error-bg:#fee2e2;--error:#991b1b}
*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{font-family:Inter,Arial,sans-serif;background:#eaf0f2;color:var(--ink)}
.login-shell{min-height:100vh;display:grid;grid-template-columns:minmax(0,1.45fr) minmax(390px,.75fr);background:#fff}
.login-hero{position:relative;min-height:100vh;background:#17262a url("branding/login_iiot_hero.fc54b1260c6d.png") center/cover no-repeat;overflow:hidden}.login-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(7,25,29,.18),rgba(7,25,29,.05) 58%,rgba(7,25,29,.48))}.hero-copy{position:absolute;z-index:1;left:clamp(28px,5vw,82px);bottom:clamp(32px,7vh,82px);max-width:610px;color:#fff;text-shadow:0 2px 15px rgba(0,0,0,.45)}.hero-copy h1{font-size:clamp(30px,3vw,48px);line-height:1.05;margin:0 0 14px}.hero-copy p{font-size:clamp(15px,1.3vw,19px);line-height:1.55;margin:0}.hero-kicker{display:inline-flex;align-items:center;gap:9px;margin-bottom:16px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;font-size:12px}.hero-kicker:before{content:"";width:34px;height:3px;border-radius:3px;background:#8cc63f}
.login-panel{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:42px;background:linear-gradient(145deg,#fff 20%,#f1f8f7 100%)}.login-box{width:100%;max-width:440px}.login-logo{display:block;width:min(230px,70%);height:auto;margin:0 0 34px}.login-box h2{font-size:30px;margin:0 0 8px}.login-subtitle{color:var(--muted);margin:0 0 30px;line-height:1.5}.login-form label{display:block;margin:16px 0 7px;font-weight:750}.login-form input{width:100%;height:48px;padding:11px 13px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);font-size:16px;outline:none;transition:.18s}.login-form input:focus{border-color:var(--teal);box-shadow:0 0 0 4px rgba(8,127,117,.12)}.login-button{width:100%;min-height:50px;margin-top:24px;border:0;border-radius:10px;background:linear-gradient(135deg,var(--teal),var(--teal-dark));color:#fff;font-size:15px;font-weight:800;cursor:pointer;box-shadow:0 8px 20px rgba(8,127,117,.22)}.login-button:hover{filter:brightness(1.06)}.login-help{text-align:center;margin:16px 0 0}.login-help a{color:var(--teal);font-weight:700;text-decoration:none}.login-help a:hover{text-decoration:underline}.login-error{background:var(--error-bg);color:var(--error);padding:12px 14px;border-radius:9px;margin-bottom:18px;font-weight:650}.login-meta{display:flex;align-items:center;gap:9px;margin-top:25px;color:var(--muted);font-size:12px}.login-meta svg{width:17px;height:17px;fill:none;stroke:var(--teal);stroke-width:2}.login-version{margin-top:32px;color:#84919d;font-size:12px}
@media(max-width:900px){.login-shell{grid-template-columns:1fr}.login-hero{min-height:36vh}.hero-copy{bottom:28px}.hero-copy h1{font-size:30px}.login-panel{min-height:64vh;padding:36px 24px}.login-logo{margin-bottom:24px}}
@media(max-width:520px){.login-hero{min-height:27vh}.hero-copy p{display:none}.hero-copy h1{font-size:25px;margin:0}.login-panel{align-items:flex-start;padding-top:34px}.login-box h2{font-size:26px}}