body{box-sizing:border-box;background:#f4f6f9;justify-content:center;align-items:center;min-height:100vh;margin:0;padding:16px;font-family:Nunito,sans-serif;display:flex}.login-card{background:#fff;border-radius:16px;width:100%;max-width:420px;overflow:hidden;box-shadow:0 4px 24px #00000017}.login-header{text-align:center;background:#4f6ef7;padding:28px 24px 24px}.login-logo{color:#fff;background:#fff3;border-radius:12px;justify-content:center;align-items:center;width:44px;height:44px;margin:0 auto 12px;font-size:22px;display:flex}.login-title{color:#fff;margin-bottom:4px;font-size:20px;font-weight:700}.login-sub{color:#ffffffbf;font-size:13px}.login-body{padding:24px}.form-group{margin-bottom:20px}.form-label{color:#555;margin-bottom:6px;font-size:13px;font-weight:600;display:block}.input-wrap{position:relative}.input-icon{color:#aaa;pointer-events:none;font-size:16px;position:absolute;top:50%;left:11px;transform:translateY(-50%)}.toggle-password{cursor:pointer;color:#aaa;background:0 0;border:none;padding:0;font-size:18px;line-height:1;position:absolute;top:50%;right:10px;transform:translateY(-50%)}.toggle-password:hover{color:#4f6ef7}.form-input{color:#1a1a1a;box-sizing:border-box;background:#fafafa;border:1.5px solid #e0e0e0;border-radius:8px;outline:none;width:100%;padding:10px 38px;font-family:Nunito,sans-serif;font-size:16px;transition:border .2s}.form-input:focus{background:#fff;border-color:#4f6ef7}.form-input.is-invalid{border-color:#e53935}.invalid-feedback{color:#e53935;margin-top:4px;font-size:12px;display:block}.form-check{align-items:center;gap:8px;margin-bottom:24px;display:flex}.form-check input{accent-color:#4f6ef7;cursor:pointer;flex-shrink:0;width:18px;height:18px}.form-check label{color:#666;cursor:pointer;font-size:14px}.btn-login{color:#fff;cursor:pointer;touch-action:manipulation;background:#4f6ef7;border:none;border-radius:8px;justify-content:center;align-items:center;gap:8px;width:100%;padding:14px;font-family:Nunito,sans-serif;font-size:16px;font-weight:700;transition:background .2s;display:flex}.btn-login:hover{background:#3a5be0}.login-footer{text-align:center;margin-top:20px}.login-footer a{color:#4f6ef7;font-size:13px;text-decoration:none}.login-footer a:hover{text-decoration:underline}.alert-success-box{color:#2e7d32;background:#e8f5e9;border:1px solid #a5d6a7;border-radius:8px;margin-bottom:20px;padding:12px 14px;font-size:14px}@media (width<=480px){body{background:#fff;align-items:flex-start;padding:0}.login-card{box-shadow:none;border-radius:0;flex-direction:column;min-height:100vh;display:flex}.login-header{padding:48px 24px 32px}.login-logo{width:56px;height:56px;margin-bottom:16px;font-size:28px}.login-title{font-size:22px}.login-sub{font-size:14px}.login-body{flex:1;padding:32px 20px}.btn-login{padding:16px;font-size:17px}}