:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:#253047;background:#f0f4ff}*{box-sizing:border-box}body{margin:0;font-weight:300}.auth-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.auth-card{width:100%;max-width:420px;margin:auto;padding:40px;background:#fff;border-radius:12px;box-shadow:0 4px 20px rgba(0,0,0,.1)}.logo{display:flex;justify-content:center;align-items:center;margin-bottom:25px}.logo img{display:block;width:230px;max-width:100%;height:auto}.auth-tabs{display:flex;overflow:hidden;margin-bottom:20px;border:2px solid #e1e5e9;border-radius:8px}.auth-tab{flex:1;min-width:0;padding:12px 14px;border:0;background:#f8f9fa;color:#6c757d;font:400 14px Arial,sans-serif;cursor:pointer}.auth-tab.active{background:#007bff;color:#fff}.auth-tab:focus-visible,.auth-submit:focus-visible,.password-toggle:focus-visible{outline:3px solid #85b8ff;outline-offset:2px}.form-group{margin-bottom:12px}.form-group label{display:block;margin-bottom:6px;color:#333;font-size:15px;font-weight:400}.form-group input{display:block;width:100%;min-height:46px;padding:12px 16px;border:2px solid #e1e5e9;border-radius:8px;background:#fff;color:#1c2840;font:400 16px Arial,sans-serif;outline:none;transition:border-color .2s ease}.form-group input:focus{border-color:#007bff}.form-group input::placeholder{color:#9197a1}.password-field{position:relative}.password-field input{padding-right:50px}.password-toggle{position:absolute;top:50%;right:10px;display:grid;place-items:center;transform:translateY(-50%);width:32px;height:32px;padding:5px;border:0;background:transparent;color:#8d98aa;cursor:pointer}.password-toggle svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.auth-submit{width:100%;margin-top:10px;padding:14px;border:0;border-radius:8px;background:#007bff;color:#fff;font:400 16px Arial,sans-serif;cursor:pointer;transition:background .2s ease}.auth-submit:hover{background:#005fc8}.auth-message{padding:12px 14px;margin-bottom:17px;border:1px solid #f5c6cb;border-radius:8px;background:#f8d7da;color:#721c24;font-size:14px;line-height:1.4}.password-strength,.password-match{min-height:0;margin-top:5px;font-size:12px}.password-strength:empty,.password-match:empty{display:none}.weak,.mismatch{color:#dc3545}.medium{color:#ab7900}.strong,.match{color:#28a745}.auth-footnote{margin:22px 0 0;padding-top:18px;border-top:1px solid #e9eef8;color:#7d8aa2;text-align:center;font-size:13px}body[data-mode="login"] .register-only{display:none}@media(max-width:480px){.auth-shell{padding:14px;align-items:flex-start}.auth-card{margin:26px auto;padding:28px 22px}.logo img{width:205px}}