:root {
    color-scheme: dark;
    --bg: #090d16;
    --panel: #0c1424;
    --line: #1e293b;
    --text: #e2e8f0;
    --muted: #94a3b8;
    --accent: #039fc2;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    min-height: 100vh;
    font-family: "Plus Jakarta Sans", system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
}
a { color: var(--accent); }
header, main { width: min(920px, calc(100% - 2rem)); margin: 0 auto; }
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 0;
}
.mark {
    color: var(--accent);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin: 0;
}
h1 { font-size: 1.7rem; margin: 0.2rem 0 0; }
.panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 1.25rem;
    padding: 1.5rem;
}
label { display: block; font-size: 0.75rem; font-weight: 700; color: var(--muted); margin-bottom: 0.35rem; }
input, select, textarea, button {
    font: inherit;
}
input, select, textarea {
    width: 100%;
    background: #090d16;
    color: white;
    border: 1px solid var(--line);
    border-radius: 0.75rem;
    padding: 0.75rem 0.9rem;
}
.stack { display: grid; gap: 0.9rem; }
button, .btn {
    background: var(--accent);
    color: white;
    border: 0;
    border-radius: 0.75rem;
    padding: 0.75rem 1rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
}
.ghost {
    background: transparent;
    color: var(--muted);
    border: 1px solid var(--line);
}
.error { color: #fda4af; font-size: 0.9rem; min-height: 1.2rem; }
.muted { color: var(--muted); line-height: 1.5; }
.row { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; }
.id { font-family: ui-monospace, monospace; color: #67e8f9; }
body:has(.login-card) {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.login-top, .login-card { width: min(28rem, calc(100% - 2rem)); }
.login-top { justify-content: flex-end; }
.pc-mark { height: 2rem; width: auto; }
.portal-logo { height: 11rem; width: auto; margin: 0 auto; }
.schriftzug { height: 2.4rem; width: auto; display: block; margin-bottom: 0.35rem; }
.hint { color: var(--muted); font-size: 0.8rem; margin: 0.35rem 0 0; }
textarea { resize: vertical; }