:root{color-scheme:dark;--cyan:#20e5e1;--blue:#258cff;--ink:#020817;--panel:rgba(5,18,34,.84);--text:#f8fbff;--muted:#9cafc6;--line:rgba(142,213,240,.24);--danger:#ff91a0}
*{box-sizing:border-box}
html{min-height:100%}
body{margin:0;min-height:100svh;display:grid;place-items:center;padding:clamp(14px,3vw,34px);overflow-x:hidden;color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;background:radial-gradient(circle at 18% 0,rgba(32,229,225,.12),transparent 32rem),radial-gradient(circle at 100% 20%,rgba(37,140,255,.18),transparent 36rem),var(--ink);-webkit-font-smoothing:antialiased}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.22;background-image:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.014) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(to bottom,#000,transparent 82%)}
.login-card{position:relative;z-index:1;display:grid;grid-template-columns:minmax(320px,1.1fr) minmax(360px,.9fr);width:min(100%,1040px);min-height:650px;overflow:hidden;border:1px solid var(--line);border-radius:22px;background:rgba(3,14,27,.82);box-shadow:0 2rem 7rem rgba(0,0,0,.48);backdrop-filter:blur(24px)}
.login-card:after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:inset 0 1px rgba(255,255,255,.06);pointer-events:none}
.visual{position:relative;min-height:650px;background:#06152a}
.visual:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(2,8,23,.28),rgba(2,8,23,.06)),url("hintergrund.png") center/contain no-repeat;background-color:#06152a}
.visual:after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,var(--cyan),var(--blue),transparent)}
.seal{position:absolute;left:clamp(22px,4vw,48px);bottom:clamp(22px,4vw,48px);width:min(32vw,180px);height:auto;border:1px solid rgba(32,229,225,.28);border-radius:50%;box-shadow:0 0 2.5rem rgba(32,229,225,.16)}
.content{display:flex;flex-direction:column;justify-content:center;padding:clamp(30px,4.5vw,58px);background:linear-gradient(180deg,rgba(5,18,34,.94),rgba(6,21,38,.86))}
.eyebrow{margin:0 0 12px;color:#8de9ee;font-size:11px;font-weight:900;letter-spacing:.16em;text-transform:uppercase}
h1{margin:0;font-size:clamp(31px,4vw,44px);font-weight:720;letter-spacing:0;line-height:1.08}
.intro,.hint{color:var(--muted);line-height:1.58}
.intro{margin:14px 0 0;font-size:14px}
.hint{margin:17px 0 0;font-size:11px}
.hint a{color:#b8f4f6;text-decoration:none}
.hint a:hover{text-decoration:underline}
form{display:grid;gap:15px;margin-top:30px}
label{display:grid;gap:8px;color:#c5d4e2;font-size:12px;font-weight:760}
input{width:100%;min-height:3.25rem;padding:14px;border:1px solid rgba(151,191,230,.24);border-radius:12px;outline:0;color:#fff;background:rgba(3,14,26,.76);font:inherit;transition:border-color .2s,box-shadow .2s,background .2s}
textarea{width:100%;padding:14px;border:1px solid rgba(151,191,230,.24);border-radius:12px;outline:0;color:#fff;background:rgba(3,14,26,.76);font:inherit;line-height:1.45;resize:vertical;transition:border-color .2s,box-shadow .2s,background .2s}
input:hover{border-color:rgba(151,191,230,.38)}
textarea:hover{border-color:rgba(151,191,230,.38)}
input:focus,textarea:focus{border-color:var(--cyan);background:#061425;box-shadow:0 0 0 4px rgba(32,229,225,.1)}
button{min-height:3.25rem;margin-top:4px;padding:14px;border:1px solid rgba(255,255,255,.18);border-radius:12px;cursor:pointer;color:#03101c;background:linear-gradient(120deg,var(--cyan),#6ac7ff);box-shadow:0 14px 30px rgba(21,181,204,.19);font:inherit;font-weight:900;transition:transform .18s,filter .18s,box-shadow .18s}
button:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 18px 38px rgba(21,181,204,.28)}
button:active{transform:translateY(0)}
.error,.success{margin-top:18px;padding:12px 14px;border-radius:12px;font-size:13px;line-height:1.5}
.error{border:1px solid rgba(255,139,154,.3);color:#ffd7dd;background:rgba(180,40,60,.14)}
.success{border:1px solid rgba(50,216,175,.27);color:#c8f8e9;background:rgba(25,146,111,.14)}
@media(max-width:820px){.login-card{display:block;width:min(100%,560px);min-height:0}.visual{min-height:clamp(12rem,42vw,17rem)}.seal{width:108px}.content{padding:28px}}
@media(max-width:420px){body{padding:10px}.login-card{border-radius:18px}.visual{min-height:11rem}.seal{width:82px}.content{padding:23px}h1{font-size:29px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}