:root{--navy-950:#0a1220;--navy-900:#0f1c30;--navy-800:#16273f;--navy-700:#1f3553;--ocean-400:#38bdf8;--ocean-500:#0ea5e9;--ocean-600:#0284c7;--text-light:#e8eef5;--text-muted:#93a6bf;--border:rgba(255,255,255,.08);--danger:#f87171;--danger-bg:rgba(248,113,113,.1);--danger-border:rgba(248,113,113,.3)}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at top left,var(--navy-800),var(--navy-950) 60%);color:var(--text-light);padding:24px}.auth-card{width:100%;max-width:460px;background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:16px;padding:40px 36px;box-shadow:0 24px 64px rgba(0,0,0,.4);backdrop-filter:blur(8px)}.auth-logo{font-size:20px;font-weight:700;letter-spacing:.02em;color:var(--ocean-400);margin-bottom:16px}.trial-badge{display:inline-block;font-size:12px;font-weight:600;color:var(--ocean-400);background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.25);border-radius:999px;padding:5px 12px;margin-bottom:14px}.auth-card h1{font-size:26px;margin:0 0 8px}.auth-subtitle{color:var(--text-muted);margin:0 0 28px;font-size:15px;line-height:1.5}.form-row{display:flex;gap:16px}.form-row .form-group{flex:1;min-width:0}.form-group{margin-bottom:18px}label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--text-light)}label .optional{font-weight:400;color:var(--text-muted)}input[type="text"],input[type="email"],input[type="password"],input[type="tel"]{width:100%;padding:12px 14px;border-radius:8px;border:1px solid var(--border);background:var(--navy-950);color:var(--text-light);font-size:15px}input::placeholder{color:var(--text-muted)}input:focus{outline:none;border-color:var(--ocean-400);box-shadow:0 0 0 3px rgba(56,189,248,.15)}.checkbox-row{display:flex;align-items:center;gap:8px;margin-bottom:22px}.checkbox-row input[type="checkbox"]{width:16px;height:16px;accent-color:var(--ocean-500)}.checkbox-row label{margin:0;font-weight:400;font-size:14px;color:var(--text-muted)}.btn-primary{width:100%;padding:13px;border-radius:8px;border:none;background:linear-gradient(135deg,var(--ocean-500),var(--ocean-600));color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:filter .15s ease}.btn-primary:hover{filter:brightness(1.1)}.btn-primary:active{filter:brightness(.95)}.field-error{color:var(--danger);font-size:13px;margin-top:6px}.alert-error{background:var(--danger-bg);border:1px solid var(--danger-border);color:var(--danger);padding:12px 14px;border-radius:8px;font-size:14px;margin-bottom:22px}.auth-footer{text-align:center;margin-top:24px;font-size:14px;color:var(--text-muted)}.auth-footer a{color:var(--ocean-400);text-decoration:none;font-weight:600}.auth-footer a:hover{text-decoration:underline}@media (max-width:480px){.auth-card{padding:28px 22px}.form-row{flex-direction:column;gap:0}}