.auth-body { min-height: 100vh; display: flex; align-items: flex-start; justify-content: center;
  background: radial-gradient(1200px 500px at 50% -10%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 70%), var(--bg); }
.auth-wrap { width: 100%; max-width: 420px; padding: 64px 16px 32px; }
.auth-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; justify-content: center; }
.auth-title { font-size: 22px; font-weight: 700; }
.auth-sub { color: var(--text-2); font-size: 13px; }
.auth-card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 8px 24px 24px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, .06); }
.auth-tabs { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--border); margin: 0 -24px 20px; }
.auth-tabs a { text-align: center; padding: 14px 0 12px; color: var(--text-2); font-weight: 500; border-bottom: 2px solid transparent; }
.auth-tabs a:hover { text-decoration: none; color: var(--text); }
.auth-tabs a.on { color: var(--text); border-bottom-color: var(--accent); font-weight: 600; }
.auth-tabs a.disabled { pointer-events: none; opacity: .4; }
.auth-form { display: flex; flex-direction: column; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 500; color: var(--text-2); }
.field input { font-size: 15px; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); font-weight: 400; width: 100%; }
.field input:focus { outline: 2px solid color-mix(in srgb, var(--accent) 40%, transparent); outline-offset: 1px; border-color: var(--accent); }
.field input.invalid { border-color: var(--critical); }
.hint { color: var(--text-3); font-weight: 400; font-size: 12px; }
.pw-wrap { position: relative; }
.pw-wrap input { padding-right: 92px; }
.pw-toggle { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); border: 0; background: transparent;
  color: var(--accent); font-size: 12.5px; padding: 6px 8px; }
.pw-toggle:hover { background: var(--surface-2); }
.check { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-2); cursor: pointer; }
.check input { width: 16px; height: 16px; accent-color: var(--accent); }
.meter { height: 4px; border-radius: 2px; background: var(--surface-2); overflow: hidden; margin-top: 2px; }
.meter i { display: block; height: 100%; width: 0; border-radius: 2px; transition: width .2s, background .2s; }
.rules { list-style: none; margin: 4px 0 0; padding: 0; display: flex; flex-direction: column; gap: 2px; font-weight: 400; font-size: 12.5px; color: var(--text-3); }
.rules li::before { content: "○ "; }
.rules li.ok { color: var(--good-text); }
.rules li.ok::before { content: "✓ "; }
.form-error { background: color-mix(in srgb, var(--critical) 10%, transparent); color: var(--critical-text);
  border: 1px solid color-mix(in srgb, var(--critical) 40%, transparent); border-radius: 8px; padding: 9px 12px; font-size: 13px; }
.auth-submit { padding: 11px 14px; font-size: 15px; font-weight: 600; border-radius: 8px; }
.auth-submit[disabled] { opacity: .6; cursor: progress; }
.auth-foot { margin: 2px 0 0; text-align: center; color: var(--text-2); font-size: 13px; }
.auth-info { background: color-mix(in srgb, var(--accent) 10%, transparent); border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  border-radius: 8px; padding: 9px 12px; font-size: 13px; color: var(--text); }
.auth-notice { background: color-mix(in srgb, var(--good) 12%, transparent); border: 1px solid color-mix(in srgb, var(--good) 40%, transparent);
  border-radius: 8px; padding: 9px 12px; font-size: 13px; margin-bottom: 14px; }
.auth-state { text-align: center; padding: 12px 4px 4px; }
.auth-state h2 { font-size: 18px; margin: 8px 0; }
.auth-state p { color: var(--text-2); margin: 0 0 16px; }
.state-ico { font-size: 36px; }
.auth-legal { text-align: center; color: var(--text-3); font-size: 12px; margin-top: 16px; }
@media (max-width: 480px) { .auth-wrap { padding-top: 32px; } .auth-card { padding: 8px 16px 20px; } .auth-tabs { margin: 0 -16px 18px; } }

[hidden] { display: none !important; }