:root { --fg: #eef3ff; --mut: #a9b6d3; --line: rgba(160,190,255,.22); --acc: #2dd4bf; --bad: #fca5a5; }
* { box-sizing: border-box; }
html { background: #03040c; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; color: var(--fg); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
       background: radial-gradient(ellipse at 70% 20%, #1b2550 0%, #0b1026 45%, #03040c 100%); padding: 16px; }
.card { width: 100%; max-width: 420px; background: rgba(14,20,44,.82); border: 1px solid var(--line); border-radius: 16px; padding: 22px; }
.home { color: var(--mut); text-decoration: none; font-size: 14px; }
.tabs { display: flex; gap: 6px; margin: 14px 0 6px; }
.tabs button { flex: 1; padding: 9px; border-radius: 9px; border: 1px solid var(--line); background: transparent; color: var(--mut); font: inherit; cursor: pointer; }
.tabs button.on { background: rgba(45,212,191,.12); color: var(--fg); border-color: var(--acc); }
label { display: block; margin: 12px 0; font-size: 14px; }
input { display: block; width: 100%; margin-top: 4px; padding: 10px 12px; border-radius: 9px; border: 1px solid var(--line); background: rgba(3,6,20,.6); color: var(--fg); font: inherit; }
button.primary { width: 100%; margin-top: 6px; padding: 11px; border-radius: 10px; border: 0; background: var(--acc); color: #04121a; font: 700 16px system-ui, sans-serif; cursor: pointer; }
button.primary:disabled { opacity: .6; cursor: wait; }
button.link { background: none; border: 0; color: var(--acc); font: inherit; font-size: 14px; margin-top: 10px; cursor: pointer; padding: 0; }
.hint { color: var(--mut); font-size: 13px; }
#msg { min-height: 1.2em; margin: 8px 0 0; font-size: 14px; color: var(--acc); }
#msg.err { color: var(--bad); }
dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; font-size: 14px; }
dt { color: var(--mut); }
h2 { font-size: 17px; margin: 22px 0 4px; }