:root{color-scheme:dark;--bg:#081b1e;--surface:#10292c;--ink:#edf7f6;--text:#c4d6d5;--muted:#acc6c4;--line:#375b60;--accent:#6ed8ce;--error:#ffd399}
*{box-sizing:border-box}body{margin:0;min-height:100svh;display:grid;place-items:center;padding:24px;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,sans-serif}.login-card{width:100%;max-width:440px;padding:32px;border:1px solid var(--line);border-radius:16px;background:var(--surface)}.eyebrow{color:var(--accent);font-size:14px;margin:0 0 12px}h1{font-size:30px;line-height:1.2;letter-spacing:-.02em;margin:0 0 16px}.intro{margin:0 0 28px;color:var(--text)}.field{display:grid;gap:8px;margin-bottom:20px}.field label{font-weight:600}.field input{width:100%;min-height:48px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);padding:12px 16px;font:inherit}.hint,.footer{font-size:14px;color:var(--muted)}.hint{margin:-8px 0 20px}.remember{display:flex;align-items:flex-start;gap:12px;margin:0 0 24px;color:var(--text);cursor:pointer}.remember input{width:20px;height:20px;margin:2px 0 0;flex-shrink:0;accent-color:var(--accent)}button{width:100%;min-height:48px;display:flex;justify-content:space-between;gap:12px;padding:12px 16px;border:0;border-radius:8px;background:var(--accent);color:var(--bg);font:600 16px system-ui;cursor:pointer}button:hover{filter:brightness(1.07)}:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.message{padding:12px 16px;border:1px solid var(--error);border-radius:8px;color:var(--error)}.footer{margin:24px 0 0;padding-top:20px;border-top:1px solid var(--line)}@media(max-width:480px){body{padding:16px}.login-card{padding:24px}h1{font-size:28px}}