:root { color-scheme: dark; --bg:#0b0b10; --card:#15151d; --line:#2a2a36; --text:#f5f5f7; --sub:#a0a0a8; --brand:#7c5cff; --danger:#ff5c6c; }
* { box-sizing: border-box; }
body { margin:0; min-height:100vh; display:grid; place-items:center; background:var(--bg); color:var(--text);
  font:15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Noto Sans SC", sans-serif; padding:24px 16px; }
.card { width:100%; max-width:380px; background:var(--card); border:1px solid var(--line); border-radius:20px; padding:32px 24px; text-align:center; }
.logo { width:56px; height:56px; border-radius:14px; }
h1 { margin:12px 0 2px; font-size:22px; }
.tag { margin:0 0 24px; color:var(--sub); font-size:13px; }
form { display:grid; gap:10px; }
input { width:100%; height:46px; padding:0 14px; border-radius:12px; border:1px solid var(--line); background:#0f0f15; color:var(--text); font-size:15px; }
input:focus { outline:none; border-color:var(--brand); }
.row { display:flex; gap:8px; }
.row input { flex:1; min-width:0; }
button { height:46px; border-radius:12px; border:0; font-size:15px; font-weight:600; cursor:pointer; }
button:disabled { opacity:.5; cursor:default; }
.primary { background:var(--brand); color:#fff; }
.ghost { padding:0 14px; background:transparent; color:var(--brand); border:1px solid var(--line); white-space:nowrap; }
.msg { min-height:20px; margin:10px 0 0; font-size:13px; color:var(--danger); }
.msg.ok { color:var(--sub); }
.or { display:flex; align-items:center; gap:10px; color:var(--sub); font-size:12px; margin:8px 0 14px; }
.or::before, .or::after { content:""; flex:1; height:1px; background:var(--line); }
.google { display:flex; align-items:center; justify-content:center; gap:10px; height:46px; border-radius:12px; background:#fff; color:#1f1f1f; font-weight:600; text-decoration:none; }
.legal { margin:20px 0 0; font-size:12px; color:var(--sub); }
.legal a { color:var(--sub); }