:root{--rc-red:#ff0000;--rc-bg:#0e0e0e;--rc-s1:#1a1918;--rc-s2:#252423;--rc-border:#3a3837;--rc-text:#f2f1ed;--rc-muted:#c2bcb2}
body{margin:0;background:var(--rc-bg);color:var(--rc-text);font-family:system-ui,sans-serif}

.auth{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden;padding:24px}
.auth::before{content:"";position:absolute;top:-260px;left:50%;transform:translateX(-50%);width:900px;height:520px;background:radial-gradient(closest-side,rgba(255,0,0,.35),rgba(255,0,0,0) 70%);pointer-events:none}

.auth-wordmark{position:relative;margin-bottom:28px;font-size:22px;font-weight:800;letter-spacing:.14em;color:var(--rc-text)}
.auth-wordmark span{color:var(--rc-red)}

.auth-card{position:relative;width:100%;max-width:460px;background:var(--rc-s1);border:1px solid #302e2c;border-radius:16px;padding:42px 44px}
.auth-card h1{margin:0 0 28px;font-size:20px;font-weight:700;text-align:center;color:var(--rc-text)}

.auth-field{margin-bottom:18px}
.auth-field label{display:block;margin-bottom:8px;font-size:13px;color:var(--rc-muted)}
.auth input{width:100%;height:52px;box-sizing:border-box;padding:0 16px;background:var(--rc-s2);border:1px solid var(--rc-border);border-radius:10px;color:var(--rc-text);font-size:15px}
.auth input:focus{outline:none;border-color:var(--rc-red)}

.auth .btn-red{width:100%;height:52px;border:0;border-radius:10px;background:var(--rc-red);color:#fff;font-weight:700;font-size:15px;cursor:pointer;margin-top:8px}
.auth .btn-red:hover{background:#e60000}

.auth-errors{list-style:none;margin:0 0 18px;padding:0;color:var(--rc-red);font-size:13px}
.auth-errors li{margin-bottom:6px}

.auth-links{margin-top:20px;text-align:center;font-size:13px;color:var(--rc-muted)}
.auth-links a{color:var(--rc-muted)}
.auth-links a:hover{color:var(--rc-text)}

.lang-toggle{position:relative;display:flex;gap:8px;margin-bottom:24px}
.lang-toggle button{background:var(--rc-s2);border:1px solid var(--rc-border);color:var(--rc-muted);border-radius:8px;padding:6px 14px;font-size:12px;font-weight:700;letter-spacing:.04em;cursor:pointer}
.lang-toggle button[aria-pressed="true"]{background:var(--rc-red);border-color:var(--rc-red);color:#fff}