:root{--auth-bg:#f4f7fb;--auth-surface:#fff;--auth-text:#182230;--auth-muted:#6b7280;--auth-border:#e5e7eb;--auth-input:#fff;--auth-primary:#0d6efd;--auth-danger-bg:#fee2e2;--auth-danger:#991b1b;--auth-success-bg:#dcfce7;--auth-success:#166534;--auth-shadow:0 18px 50px rgba(0,0,0,.08)}
html[data-theme="dark"]{--auth-bg:#080d18;--auth-surface:#111827;--auth-text:#f3f4f6;--auth-muted:#a7b0c0;--auth-border:#29364b;--auth-input:#0b1220;--auth-primary:#60a5fa;--auth-danger-bg:#451a1a;--auth-danger:#fecaca;--auth-success-bg:#12351f;--auth-success:#bbf7d0;--auth-shadow:0 18px 55px rgba(0,0,0,.38)}
*{box-sizing:border-box}html,body{min-height:100%}body.auth-theme{background:var(--auth-bg);color:var(--auth-text);transition:background-color .2s,color .2s}
.auth-toolbar{position:fixed;top:16px;left:16px;right:16px;display:flex;justify-content:flex-start;z-index:20;pointer-events:none}.auth-toolbar-actions{display:flex;gap:8px;pointer-events:auto}.auth-tool-btn{width:42px;height:42px;border:1px solid var(--auth-border);border-radius:12px;background:var(--auth-surface);color:var(--auth-text);display:grid;place-items:center;cursor:pointer;box-shadow:0 5px 18px rgba(15,23,42,.06)}.auth-tool-btn[hidden]{display:none}
.auth-logo{width:min(100%,420px);height:auto;display:block;margin:0 auto 14px}.auth-theme-note{font-size:.78rem;color:var(--auth-muted);text-align:center;margin-top:8px}
body.auth-theme .card,body.auth-theme .auth-card{background:var(--auth-surface);color:var(--auth-text);border-color:var(--auth-border);box-shadow:var(--auth-shadow)}body.auth-theme input,body.auth-theme textarea,body.auth-theme select{background:var(--auth-input);color:var(--auth-text);border-color:var(--auth-border)}body.auth-theme label{color:var(--auth-text)}body.auth-theme p{color:var(--auth-muted)}body.auth-theme .alert,body.auth-theme .auth-alert.error{background:var(--auth-danger-bg);color:var(--auth-danger)}body.auth-theme .auth-alert.success{background:var(--auth-success-bg);color:var(--auth-success)}body.auth-theme a{color:var(--auth-primary)}
@media(max-width:600px){.auth-toolbar{top:10px;left:10px}.auth-tool-btn{width:40px;height:40px}}